97697604631 has 8 divisors (see below), whose sum is σ = 109057791744. Its totient is φ = 86750515320.

The previous prime is 97697604617. The next prime is 97697604661. The reversal of 97697604631 is 13640679679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97697604631 - 2²⁵ = 97664050199 is a prime.

It is a super-2 number, since 2×97697604631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97697604611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103273951 + ... + 103274896.

It is an arithmetic number, because the mean of its divisors is an integer number (13632223968).

Almost surely, 2^97697604631 is an apocalyptic number.

97697604631 is a deficient number, since it is larger than the sum of its proper divisors (11360187113).

97697604631 is a wasteful number, since it uses less digits than its factorization.

97697604631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206548901.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 97697604631 in words is "ninety-seven billion, six hundred ninety-seven million, six hundred four thousand, six hundred thirty-one".