97715621874384 has 120 divisors (see below), whose sum is σ = 273941013528000. Its totient is φ = 32515544455680.

The previous prime is 97715621874371. The next prime is 97715621874413. The reversal of 97715621874384 is 48347812651779.

It is a happy number.

97715621874384 is a `hidden beast` number, since 9 + 7 + 7 + 1 + 5 + 6 + 2 + 187 + 438 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2512531579 + ... + 2512570469.

It is an arithmetic number, because the mean of its divisors is an integer number (2282841779400).

Almost surely, 2^{97715621874384} is an apocalyptic number.

It is an amenable number.

97715621874384 is an abundant number, since it is smaller than the sum of its proper divisors (176225391653616).

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

97715621874384 is a wasteful number, since it uses less digits than its factorization.

97715621874384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68633 (or 68624 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 72.

The spelling of 97715621874384 in words is "ninety-seven trillion, seven hundred fifteen billion, six hundred twenty-one million, eight hundred seventy-four thousand, three hundred eighty-four".