79655047 has 6 divisors (see below), whose sum is σ = 84616568. Its totient is φ = 74969184.

The previous prime is 79655039. The next prime is 79655053. The reversal of 79655047 is 74055697.

It is not a de Polignac number, because 79655047 - 2³ = 79655039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79654994 and 79655012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79625047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137523 + ... + 138100.

Almost surely, 2^79655047 is an apocalyptic number.

79655047 is a deficient number, since it is larger than the sum of its proper divisors (4961521).

79655047 is a wasteful number, since it uses less digits than its factorization.

79655047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275657 (or 275640 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 79655047 is about 8924.9676189889. The cubic root of 79655047 is about 430.2667301316.

The spelling of 79655047 in words is "seventy-nine million, six hundred fifty-five thousand, forty-seven".