80976959 has 6 divisors (see below), whose sum is σ = 94197744. Its totient is φ = 69408780.

The previous prime is 80976949. The next prime is 80976977. The reversal of 80976959 is 95967908.

It is not a de Polignac number, because 80976959 - 2⁴ = 80976943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80976959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80976949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826247 + ... + 826344.

It is an arithmetic number, because the mean of its divisors is an integer number (15699624).

Almost surely, 2^80976959 is an apocalyptic number.

80976959 is a deficient number, since it is larger than the sum of its proper divisors (13220785).

80976959 is a wasteful number, since it uses less digits than its factorization.

80976959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652605 (or 1652598 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 80976959 is about 8998.7198534014. The cubic root of 80976959 is about 432.6338414333.

The spelling of 80976959 in words is "eighty million, nine hundred seventy-six thousand, nine hundred fifty-nine".