9757057992 has 128 divisors (see below), whose sum is σ = 28406246400. Its totient is φ = 2761516800.

The previous prime is 9757057957. The next prime is 9757057993. The reversal of 9757057992 is 2997507579.

It is not an unprimeable number, because it can be changed into a prime (9757057993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342438 + ... + 369834.

It is an arithmetic number, because the mean of its divisors is an integer number (221923800).

Almost surely, 2^9757057992 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 9757057992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14203123200).

9757057992 is an abundant number, since it is smaller than the sum of its proper divisors (18649188408).

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

9757057992 is a wasteful number, since it uses less digits than its factorization.

9757057992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507 (or 27503 counting only the distinct ones).

The product of its (nonzero) digits is 12502350, while the sum is 60.

The square root of 9757057992 is about 98777.8213568208. The cubic root of 9757057992 is about 2136.8447103706.

The spelling of 9757057992 in words is "nine billion, seven hundred fifty-seven million, fifty-seven thousand, nine hundred ninety-two".