79555951 has 8 divisors (see below), whose sum is σ = 82553984. Its totient is φ = 76584960.

The previous prime is 79555933. The next prime is 79555979. The reversal of 79555951 is 15955597.

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

It is a cyclic number.

It is not a de Polignac number, because 79555951 - 2¹⁵ = 79523183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79555921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666 + ... + 12631.

It is an arithmetic number, because the mean of its divisors is an integer number (10319248).

Almost surely, 2^79555951 is an apocalyptic number.

79555951 is a deficient number, since it is larger than the sum of its proper divisors (2998033).

79555951 is a wasteful number, since it uses less digits than its factorization.

79555951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521.

The product of its digits is 354375, while the sum is 46.

The square root of 79555951 is about 8919.4142744913. The cubic root of 79555951 is about 430.0882295968.

The spelling of 79555951 in words is "seventy-nine million, five hundred fifty-five thousand, nine hundred fifty-one".