79357707025 has 27 divisors (see below), whose sum is σ = 99550198971. Its totient is φ = 62754859440.

The previous prime is 79357706963. The next prime is 79357707043. The reversal of 79357707025 is 52070775397.

The square root of 79357707025 is 281705.

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., 28568774529 + 50788932496 = 169023^2 + 225364^2 .

It is not a de Polignac number, because 79357707025 - 2⁹ = 79357706513 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, 145077802 + ... + 145078348.

Almost surely, 2^79357707025 is an apocalyptic number.

79357707025 is the 281705-th square number.

79357707025 is the 140853-rd centered octagonal number.

It is an amenable number.

79357707025 is a deficient number, since it is larger than the sum of its proper divisors (20192491946).

79357707025 is an frugal number, since it uses more digits than its factorization.

79357707025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 3241350, while the sum is 52.

The spelling of 79357707025 in words is "seventy-nine billion, three hundred fifty-seven million, seven hundred seven thousand, twenty-five".