80876331477 has 12 divisors (see below), whose sum is σ = 116857255840. Its totient is φ = 53900990568.

The previous prime is 80876331413. The next prime is 80876331509. The reversal of 80876331477 is 77413367808.

80876331477 is a `hidden beast` number, since 8 + 0 + 87 + 63 + 31 + 477 = 666.

It is not a de Polignac number, because 80876331477 - 2⁶ = 80876331413 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 (80876331407) 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 11 ways as a sum of consecutive naturals, for example, 1349353 + ... + 1408014.

Almost surely, 2^80876331477 is an apocalyptic number.

It is an amenable number.

80876331477 is a deficient number, since it is larger than the sum of its proper divisors (35980924363).

80876331477 is a wasteful number, since it uses less digits than its factorization.

80876331477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760632 (or 2760629 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 80876331477 in words is "eighty billion, eight hundred seventy-six million, three hundred thirty-one thousand, four hundred seventy-seven".