79964846997 has 24 divisors (see below), whose sum is σ = 127379202336. Its totient is φ = 44459216928.

The previous prime is 79964846957. The next prime is 79964847019.

79964846997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79964846997 - 2²⁸ = 79696411541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79964846917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7345623 + ... + 7356500.

It is an arithmetic number, because the mean of its divisors is an integer number (5307466764).

Almost surely, 2^79964846997 is an apocalyptic number.

It is an amenable number.

79964846997 is a deficient number, since it is larger than the sum of its proper divisors (47414355339).

79964846997 is a wasteful number, since it uses less digits than its factorization.

79964846997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14702177 (or 14702170 counting only the distinct ones).

The product of its digits is 1481421312, while the sum is 78.

The spelling of 79964846997 in words is "seventy-nine billion, nine hundred sixty-four million, eight hundred forty-six thousand, nine hundred ninety-seven".