97997682320 has 40 divisors (see below), whose sum is σ = 228073327224. Its totient is φ = 39159724032.

The previous prime is 97997682311. The next prime is 97997682347. The reversal of 97997682320 is 2328679979.

It can be written as a sum of positive squares in 4 ways, for example, as 13841993104 + 84155689216 = 117652^2 + 290096^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 534569 + ... + 694088.

Almost surely, 2^97997682320 is an apocalyptic number.

It is an amenable number.

97997682320 is an abundant number, since it is smaller than the sum of its proper divisors (130075644904).

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

97997682320 is a wasteful number, since it uses less digits than its factorization.

97997682320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229667 (or 1229661 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 97997682320 in words is "ninety-seven billion, nine hundred ninety-seven million, six hundred eighty-two thousand, three hundred twenty".