8380000836 has 72 divisors (see below), whose sum is σ = 21522645144. Its totient is φ = 2748695040.

The previous prime is 8380000831. The next prime is 8380000841. The reversal of 8380000836 is 6380000838.

It is an interprime number because it is at equal distance from previous prime (8380000831) and next prime (8380000841).

It can be written as a sum of positive squares in 4 ways, for example, as 1329039936 + 7050960900 = 36456^2 + 83970^2 .

It is a super-2 number, since 2×8380000836² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8380000836.

It is not an unprimeable number, because it can be changed into a prime (8380000831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208050 + ... + 1214966.

It is an arithmetic number, because the mean of its divisors is an integer number (298925627).

Almost surely, 2^8380000836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8380000836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10761322572).

8380000836 is an abundant number, since it is smaller than the sum of its proper divisors (13142644308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8380000836 is a wasteful number, since it uses less digits than its factorization.

8380000836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7461 (or 7456 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8380000836 is about 91542.3444969594. The cubic root of 8380000836 is about 2031.1781715085.

The spelling of 8380000836 in words is "eight billion, three hundred eighty million, eight hundred thirty-six", and thus it is an aban number.