80976885 has 16 divisors (see below), whose sum is σ = 141341760. Its totient is φ = 39261440.

The previous prime is 80976877. The next prime is 80976887. The reversal of 80976885 is 58867908.

It is a happy number.

It is not a de Polignac number, because 80976885 - 2³ = 80976877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80976887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245220 + ... + 245549.

It is an arithmetic number, because the mean of its divisors is an integer number (8833860).

Almost surely, 2^80976885 is an apocalyptic number.

It is an amenable number.

80976885 is a deficient number, since it is larger than the sum of its proper divisors (60364875).

80976885 is a wasteful number, since it uses less digits than its factorization.

80976885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490788.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 80976885 is about 8998.7157417045. The cubic root of 80976885 is about 432.6337096472.

The spelling of 80976885 in words is "eighty million, nine hundred seventy-six thousand, eight hundred eighty-five".