79677632 has 28 divisors (see below), whose sum is σ = 158441136. Its totient is φ = 39755520.

The previous prime is 79677569. The next prime is 79677679. The reversal of 79677632 is 23677697.

It is a happy number.

It is a super-2 number, since 2×79677632² = 12697050082254848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 39398 + ... + 41370.

It is an arithmetic number, because the mean of its divisors is an integer number (5658612).

Almost surely, 2^79677632 is an apocalyptic number.

It is an amenable number.

79677632 is a deficient number, since it is larger than the sum of its proper divisors (78763504).

79677632 is a wasteful number, since it uses less digits than its factorization.

79677632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2606 counting only the distinct ones).

The product of its digits is 666792, while the sum is 47.

The square root of 79677632 is about 8926.2328000114. The cubic root of 79677632 is about 430.3073915259.

The spelling of 79677632 in words is "seventy-nine million, six hundred seventy-seven thousand, six hundred thirty-two".