80876056947 has 16 divisors (see below), whose sum is σ = 123249880320. Its totient is φ = 46211074272.

The previous prime is 80876056931. The next prime is 80876056999. The reversal of 80876056947 is 74965067808.

It is not a de Polignac number, because 80876056947 - 2⁴ = 80876056931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80876056927) 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 15 ways as a sum of consecutive naturals, for example, 112204 + ... + 417542.

It is an arithmetic number, because the mean of its divisors is an integer number (7703117520).

Almost surely, 2^80876056947 is an apocalyptic number.

80876056947 is a deficient number, since it is larger than the sum of its proper divisors (42373823373).

80876056947 is a wasteful number, since it uses less digits than its factorization.

80876056947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317962.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 80876056947 in words is "eighty billion, eight hundred seventy-six million, fifty-six thousand, nine hundred forty-seven".