8356361538 has 128 divisors (see below), whose sum is σ = 20694804480. Its totient is φ = 2196564480.

The previous prime is 8356361537. The next prime is 8356361539. The reversal of 8356361538 is 8351636538.

It is an interprime number because it is at equal distance from previous prime (8356361537) and next prime (8356361539).

It is not an unprimeable number, because it can be changed into a prime (8356361537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3901948 + ... + 3904088.

It is an arithmetic number, because the mean of its divisors is an integer number (161678160).

Almost surely, 2^8356361538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8356361538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10347402240).

8356361538 is an abundant number, since it is smaller than the sum of its proper divisors (12338442942).

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

8356361538 is a wasteful number, since it uses less digits than its factorization.

8356361538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its digits is 1555200, while the sum is 48.

The square root of 8356361538 is about 91413.1365723767. The cubic root of 8356361538 is about 2029.2664435224.

The spelling of 8356361538 in words is "eight billion, three hundred fifty-six million, three hundred sixty-one thousand, five hundred thirty-eight".