79598916737 has 2 divisors, whose sum is σ = 79598916738. Its totient is φ = 79598916736.

The previous prime is 79598916619. The next prime is 79598916773. The reversal of 79598916737 is 73761989597.

Together with next prime (79598916773) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64764651121 + 14834265616 = 254489^2 + 121796^2 .

It is a cyclic number.

It is not a de Polignac number, because 79598916737 - 2²⁸ = 79330481281 is a prime.

It is not a weakly prime, because it can be changed into another prime (79598316737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39799458368 + 39799458369.

It is an arithmetic number, because the mean of its divisors is an integer number (39799458369).

Almost surely, 2^79598916737 is an apocalyptic number.

It is an amenable number.

79598916737 is a deficient number, since it is larger than the sum of its proper divisors (1).

79598916737 is an equidigital number, since it uses as much as digits as its factorization.

79598916737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180033840, while the sum is 71.

The spelling of 79598916737 in words is "seventy-nine billion, five hundred ninety-eight million, nine hundred sixteen thousand, seven hundred thirty-seven".