8269793280 has 384 divisors, whose sum is σ = 33603897600. Its totient is φ = 1889796096.

The previous prime is 8269793269. The next prime is 8269793281. The reversal of 8269793280 is 823979628.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8269793281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1933224 + ... + 1937496.

It is an arithmetic number, because the mean of its divisors is an integer number (87510150).

Almost surely, 2^8269793280 is an apocalyptic number.

8269793280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8269793280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16801948800).

8269793280 is an abundant number, since it is smaller than the sum of its proper divisors (25334104320).

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

8269793280 is a wasteful number, since it uses less digits than its factorization.

8269793280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 8269793280 is about 90938.4037687049. The cubic root of 8269793280 is about 2022.2346670910.

The spelling of 8269793280 in words is "eight billion, two hundred sixty-nine million, seven hundred ninety-three thousand, two hundred eighty".