97917097884 has 24 divisors (see below), whose sum is σ = 231603000720. Its totient is φ = 32191922304.

The previous prime is 97917097871. The next prime is 97917097897. The reversal of 97917097884 is 48879071979.

It is an interprime number because it is at equal distance from previous prime (97917097871) and next prime (97917097897).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55887879 + ... + 55889630.

It is an arithmetic number, because the mean of its divisors is an integer number (9650125030).

Almost surely, 2^97917097884 is an apocalyptic number.

It is an amenable number.

97917097884 is an abundant number, since it is smaller than the sum of its proper divisors (133685902836).

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

97917097884 is a wasteful number, since it uses less digits than its factorization.

97917097884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111777589 (or 111777587 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 69.

The spelling of 97917097884 in words is "ninety-seven billion, nine hundred seventeen million, ninety-seven thousand, eight hundred eighty-four".