79550644 has 48 divisors (see below), whose sum is σ = 151300800. Its totient is φ = 36481536.

The previous prime is 79550623. The next prime is 79550657. The reversal of 79550644 is 44605597.

It is a junction number, because it is equal to n+sod(n) for n = 79550597 and 79550606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506614 + ... + 506770.

It is an arithmetic number, because the mean of its divisors is an integer number (3152100).

Almost surely, 2^79550644 is an apocalyptic number.

It is an amenable number.

79550644 is a deficient number, since it is larger than the sum of its proper divisors (71750156).

79550644 is a wasteful number, since it uses less digits than its factorization.

79550644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 79550644 is about 8919.1167724164. The cubic root of 79550644 is about 430.0786659754.

The spelling of 79550644 in words is "seventy-nine million, five hundred fifty thousand, six hundred forty-four".