97617695631 has 8 divisors (see below), whose sum is σ = 130466090544. Its totient is φ = 64923882240.

The previous prime is 97617695627. The next prime is 97617695633. The reversal of 97617695631 is 13659671679.

It is a happy number.

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

It is not a de Polignac number, because 97617695631 - 2² = 97617695627 is a prime.

It is a super-2 number, since 2×97617695631² (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 (97617695633) 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, 38643906 + ... + 38646431.

It is an arithmetic number, because the mean of its divisors is an integer number (16308261318).

Almost surely, 2^97617695631 is an apocalyptic number.

97617695631 is a deficient number, since it is larger than the sum of its proper divisors (32848394913).

97617695631 is a wasteful number, since it uses less digits than its factorization.

97617695631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77290761.

The product of its digits is 12859560, while the sum is 60.

The spelling of 97617695631 in words is "ninety-seven billion, six hundred seventeen million, six hundred ninety-five thousand, six hundred thirty-one".