79164732499 has 2 divisors, whose sum is σ = 79164732500. Its totient is φ = 79164732498.

The previous prime is 79164732467. The next prime is 79164732523. The reversal of 79164732499 is 99423746197.

It is a strong prime.

It is an emirp because it is prime and its reverse (99423746197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79164732499 - 2⁵ = 79164732467 is a prime.

It is not a weakly prime, because it can be changed into another prime (79164732299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39582366249 + 39582366250.

It is an arithmetic number, because the mean of its divisors is an integer number (39582366250).

Almost surely, 2^79164732499 is an apocalyptic number.

79164732499 is a deficient number, since it is larger than the sum of its proper divisors (1).

79164732499 is an equidigital number, since it uses as much as digits as its factorization.

79164732499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 61.

The spelling of 79164732499 in words is "seventy-nine billion, one hundred sixty-four million, seven hundred thirty-two thousand, four hundred ninety-nine".