9757920256 has 44 divisors (see below), whose sum is σ = 22292943568. Its totient is φ = 4181962752.

The previous prime is 9757920247. The next prime is 9757920317. The reversal of 9757920256 is 6520297579.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673491 + ... + 687826.

Almost surely, 2^9757920256 is an apocalyptic number.

It is an amenable number.

9757920256 is an abundant number, since it is smaller than the sum of its proper divisors (12535023312).

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

9757920256 is a wasteful number, since it uses less digits than its factorization.

9757920256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361344 (or 1361326 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 52.

The square root of 9757920256 is about 98782.1859243862. The cubic root of 9757920256 is about 2136.9076552322.

The spelling of 9757920256 in words is "nine billion, seven hundred fifty-seven million, nine hundred twenty thousand, two hundred fifty-six".