80976128859 has 12 divisors (see below), whose sum is σ = 120738601152. Its totient is φ = 52242663600.

The previous prime is 80976128813. The next prime is 80976128867. The reversal of 80976128859 is 95882167908.

It is a happy number.

80976128859 is a `hidden beast` number, since 8 + 0 + 9 + 7 + 612 + 8 + 8 + 5 + 9 = 666.

It is not a de Polignac number, because 80976128859 - 2⁷ = 80976128731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80976128796 and 80976128805.

It is not an unprimeable number, because it can be changed into a prime (80976128059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145118232 + ... + 145118789.

It is an arithmetic number, because the mean of its divisors is an integer number (10061550096).

Almost surely, 2^80976128859 is an apocalyptic number.

80976128859 is a deficient number, since it is larger than the sum of its proper divisors (39762472293).

80976128859 is a wasteful number, since it uses less digits than its factorization.

80976128859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290237058 (or 290237055 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 80976128859 in words is "eighty billion, nine hundred seventy-six million, one hundred twenty-eight thousand, eight hundred fifty-nine".