79056015909025 has 27 divisors (see below), whose sum is σ = 98307252817459. Its totient is φ = 63066096692720.

The previous prime is 79056015908999. The next prime is 79056015909047. The reversal of 79056015909025 is 52090951065097.

The square root of 79056015909025 is 8891345.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28460165727249 + 50595850181776 = 5334807^2 + 7113076^2 .

It is a de Polignac number, because none of the positive numbers 2^k-79056015909025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17026923354 + ... + 17026927996.

Almost surely, 2^{79056015909025} is an apocalyptic number.

79056015909025 is the 8891345-th square number.

79056015909025 is the 4445673-rd centered octagonal number.

It is an amenable number.

79056015909025 is a deficient number, since it is larger than the sum of its proper divisors (19251236908434).

79056015909025 is an frugal number, since it uses more digits than its factorization.

79056015909025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062 (or 5031 counting only the distinct ones).

The product of its (nonzero) digits is 7654500, while the sum is 58.

The spelling of 79056015909025 in words is "seventy-nine trillion, fifty-six billion, fifteen million, nine hundred nine thousand, twenty-five".