80876679 has 32 divisors (see below), whose sum is σ = 123002880. Its totient is φ = 46908288.

The previous prime is 80876647. The next prime is 80876687. The reversal of 80876679 is 97667808.

It is a happy number.

It is not a de Polignac number, because 80876679 - 2⁵ = 80876647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80876629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47802 + ... + 49464.

It is an arithmetic number, because the mean of its divisors is an integer number (3843840).

Almost surely, 2^80876679 is an apocalyptic number.

80876679 is a deficient number, since it is larger than the sum of its proper divisors (42126201).

80876679 is a wasteful number, since it uses less digits than its factorization.

80876679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 80876679 is about 8993.1462236528. The cubic root of 80876679 is about 432.4551797362.

The spelling of 80876679 in words is "eighty million, eight hundred seventy-six thousand, six hundred seventy-nine".