9725235597960 has 128 divisors (see below), whose sum is σ = 29856145397760. Its totient is φ = 2532920544000.

The previous prime is 9725235597887. The next prime is 9725235597977. The reversal of 9725235597960 is 697955325279.

It is a happy number.

It is a Cunningham number, because it is equal to 3118531²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93503985 + ... + 93607935.

It is an arithmetic number, because the mean of its divisors is an integer number (233251135920).

Almost surely, 2^{9725235597960} is an apocalyptic number.

It is an amenable number.

9725235597960 is an abundant number, since it is smaller than the sum of its proper divisors (20130909799800).

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

9725235597960 is a wasteful number, since it uses less digits than its factorization.

9725235597960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122139 (or 122135 counting only the distinct ones).

The product of its (nonzero) digits is 321489000, while the sum is 69.

The spelling of 9725235597960 in words is "nine trillion, seven hundred twenty-five billion, two hundred thirty-five million, five hundred ninety-seven thousand, nine hundred sixty".