79976655 has 24 divisors (see below), whose sum is σ = 151229520. Its totient is φ = 38776320.

The previous prime is 79976641. The next prime is 79976669. The reversal of 79976655 is 55667997.

It is an interprime number because it is at equal distance from previous prime (79976641) and next prime (79976669).

It is not a de Polignac number, because 79976655 - 2⁴ = 79976639 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 80290 + ... + 81279.

It is an arithmetic number, because the mean of its divisors is an integer number (6301230).

Almost surely, 2^79976655 is an apocalyptic number.

79976655 is a deficient number, since it is larger than the sum of its proper divisors (71252865).

79976655 is a wasteful number, since it uses less digits than its factorization.

79976655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161591 (or 161588 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The square root of 79976655 is about 8942.9667896062. The cubic root of 79976655 is about 430.8450211973.

The spelling of 79976655 in words is "seventy-nine million, nine hundred seventy-six thousand, six hundred fifty-five".