79655613 has 8 divisors (see below), whose sum is σ = 106468800. Its totient is φ = 52973088.

The previous prime is 79655573. The next prime is 79655617. The reversal of 79655613 is 31655697.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79655613 - 2¹⁴ = 79639229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79655617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31233 + ... + 33686.

It is an arithmetic number, because the mean of its divisors is an integer number (13308600).

Almost surely, 2^79655613 is an apocalyptic number.

It is an amenable number.

79655613 is a deficient number, since it is larger than the sum of its proper divisors (26813187).

79655613 is a wasteful number, since it uses less digits than its factorization.

79655613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65331.

The product of its digits is 170100, while the sum is 42.

The square root of 79655613 is about 8924.9993277311. Note that the first 3 decimals coincide. The cubic root of 79655613 is about 430.2677492359.

The spelling of 79655613 in words is "seventy-nine million, six hundred fifty-five thousand, six hundred thirteen".