97499173932 has 24 divisors (see below), whose sum is σ = 252775636400. Its totient is φ = 32499724608.

The previous prime is 97499173819. The next prime is 97499173939. The reversal of 97499173932 is 23937199479.

It is a self number, because there is not a number n which added to its sum of digits gives 97499173932.

It is not an unprimeable number, because it can be changed into a prime (97499173939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451384957 + ... + 451385172.

Almost surely, 2^97499173932 is an apocalyptic number.

It is an amenable number.

97499173932 is an abundant number, since it is smaller than the sum of its proper divisors (155276462468).

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

97499173932 is a wasteful number, since it uses less digits than its factorization.

97499173932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902770142 (or 902770134 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The spelling of 97499173932 in words is "ninety-seven billion, four hundred ninety-nine million, one hundred seventy-three thousand, nine hundred thirty-two".