8256912320 has 28 divisors (see below), whose sum is σ = 19661773224. Its totient is φ = 3302764800.

The previous prime is 8256912311. The next prime is 8256912343. The reversal of 8256912320 is 232196528.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12901106 + ... + 12901745.

Almost surely, 2^8256912320 is an apocalyptic number.

8256912320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8256912320 is an abundant number, since it is smaller than the sum of its proper divisors (11404860904).

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

8256912320 is a wasteful number, since it uses less digits than its factorization.

8256912320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25802868 (or 25802858 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8256912320 is about 90867.5537251884. The cubic root of 8256912320 is about 2021.1841829613.

The spelling of 8256912320 in words is "eight billion, two hundred fifty-six million, nine hundred twelve thousand, three hundred twenty".