99597925536 has 96 divisors (see below), whose sum is σ = 268189584768. Its totient is φ = 32345026560.

The previous prime is 99597925507. The next prime is 99597925541. The reversal of 99597925536 is 63552979599.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2907420 + ... + 2941476.

It is an arithmetic number, because the mean of its divisors is an integer number (2793641508).

Almost surely, 2^99597925536 is an apocalyptic number.

99597925536 is a gapful number since it is divisible by the number (96) 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 99597925536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134094792384).

99597925536 is an abundant number, since it is smaller than the sum of its proper divisors (168591659232).

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

99597925536 is a wasteful number, since it uses less digits than its factorization.

99597925536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34854 (or 34846 counting only the distinct ones).

The product of its digits is 206671500, while the sum is 69.

The spelling of 99597925536 in words is "ninety-nine billion, five hundred ninety-seven million, nine hundred twenty-five thousand, five hundred thirty-six".