79976825 has 12 divisors (see below), whose sum is σ = 99537900. Its totient is φ = 63744960.

The previous prime is 79976803. The next prime is 79976851. The reversal of 79976825 is 52867997.

It can be written as a sum of positive squares in 6 ways, for example, as 35344 + 79941481 = 188^2 + 8941^2 .

It is not a de Polignac number, because 79976825 - 2¹⁰ = 79975801 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1151 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (8294825).

Almost surely, 2^79976825 is an apocalyptic number.

It is an amenable number.

79976825 is a deficient number, since it is larger than the sum of its proper divisors (19561075).

79976825 is a wasteful number, since it uses less digits than its factorization.

79976825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11836 (or 11831 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 79976825 is about 8942.9762942770. The cubic root of 79976825 is about 430.8453264681.

The spelling of 79976825 in words is "seventy-nine million, nine hundred seventy-six thousand, eight hundred twenty-five".