79552089 has 12 divisors (see below), whose sum is σ = 115001172. Its totient is φ = 52992000.

The previous prime is 79552079. The next prime is 79552093. The reversal of 79552089 is 98025597.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59166864 + 20385225 = 7692^2 + 4515^2 .

It is not a de Polignac number, because 79552089 - 2⁸ = 79551833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79552019) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11649 + ... + 17169.

It is an arithmetic number, because the mean of its divisors is an integer number (9583431).

Almost surely, 2^79552089 is an apocalyptic number.

It is an amenable number.

79552089 is a deficient number, since it is larger than the sum of its proper divisors (35449083).

79552089 is a wasteful number, since it uses less digits than its factorization.

79552089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128 (or 7125 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 79552089 is about 8919.1977778273. The cubic root of 79552089 is about 430.0812700185.

The spelling of 79552089 in words is "seventy-nine million, five hundred fifty-two thousand, eighty-nine".