97542308864 has 528 divisors, whose sum is σ = 271501765248. Its totient is φ = 34062336000.

The previous prime is 97542308837. The next prime is 97542308879. The reversal of 97542308864 is 46880324579.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 462285719 + ... + 462285929.

Almost surely, 2^97542308864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97542308864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135750882624).

97542308864 is an abundant number, since it is smaller than the sum of its proper divisors (173959456384).

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

97542308864 is a wasteful number, since it uses less digits than its factorization.

97542308864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 97542308864 in words is "ninety-seven billion, five hundred forty-two million, three hundred eight thousand, eight hundred sixty-four".