97616579831 has 8 divisors (see below), whose sum is σ = 100138542000. Its totient is φ = 95101335360.

The previous prime is 97616579791. The next prime is 97616579839. The reversal of 97616579831 is 13897561679.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97616579831 is a prime.

It is a super-2 number, since 2×97616579831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97616579839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649981 + ... + 1708118.

It is an arithmetic number, because the mean of its divisors is an integer number (12517317750).

Almost surely, 2^97616579831 is an apocalyptic number.

97616579831 is a deficient number, since it is larger than the sum of its proper divisors (2521962169).

97616579831 is a wasteful number, since it uses less digits than its factorization.

97616579831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358849.

The product of its digits is 17146080, while the sum is 62.

The spelling of 97616579831 in words is "ninety-seven billion, six hundred sixteen million, five hundred seventy-nine thousand, eight hundred thirty-one".