79307008225 has 27 divisors (see below), whose sum is σ = 99262383129. Its totient is φ = 62856468000.

The previous prime is 79307008153. The next prime is 79307008241. The reversal of 79307008225 is 52280070397.

The square root of 79307008225 is 281615.

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

It can be written as a sum of positive squares in 4 ways, for example, as 763582689 + 78543425536 = 27633^2 + 280256^2 .

It is not a de Polignac number, because 79307008225 - 2⁹ = 79307007713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 212619139 + ... + 212619511.

Almost surely, 2^79307008225 is an apocalyptic number.

79307008225 is the 281615-th square number.

79307008225 is the 140808-th centered octagonal number.

It is an amenable number.

79307008225 is a deficient number, since it is larger than the sum of its proper divisors (19955374904).

79307008225 is an frugal number, since it uses more digits than its factorization.

79307008225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 79307008225 in words is "seventy-nine billion, three hundred seven million, eight thousand, two hundred twenty-five".