97915617120 has 96 divisors (see below), whose sum is σ = 308522753280. Its totient is φ = 26103334400.

The previous prime is 97915617109. The next prime is 97915617143. The reversal of 97915617120 is 2171651979.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 97915617120.

It is a congruent number.

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, 1757695 + ... + 1812545.

It is an arithmetic number, because the mean of its divisors is an integer number (3213778680).

Almost surely, 2^97915617120 is an apocalyptic number.

It is an amenable number.

97915617120 is an abundant number, since it is smaller than the sum of its proper divisors (210607136160).

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

97915617120 is a wasteful number, since it uses less digits than its factorization.

97915617120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58588 (or 58580 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 48.

The spelling of 97915617120 in words is "ninety-seven billion, nine hundred fifteen million, six hundred seventeen thousand, one hundred twenty".