97662585517 has 16 divisors (see below), whose sum is σ = 114225610752. Its totient is φ = 81752897520.

The previous prime is 97662585457. The next prime is 97662585523. The reversal of 97662585517 is 71558526679.

It is not a de Polignac number, because 97662585517 - 2³⁵ = 63302847149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97662582517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2785188 + ... + 2820034.

It is an arithmetic number, because the mean of its divisors is an integer number (7139100672).

Almost surely, 2^97662585517 is an apocalyptic number.

It is an amenable number.

97662585517 is a deficient number, since it is larger than the sum of its proper divisors (16563025235).

97662585517 is a wasteful number, since it uses less digits than its factorization.

97662585517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44208.

The product of its digits is 31752000, while the sum is 61.

The spelling of 97662585517 in words is "ninety-seven billion, six hundred sixty-two million, five hundred eighty-five thousand, five hundred seventeen".