80877372 has 24 divisors (see below), whose sum is σ = 189267456. Its totient is φ = 26880048.

The previous prime is 80877359. The next prime is 80877373. The reversal of 80877372 is 27377808.

It is a super-2 number, since 2×80877372² = 13082298603252768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80877373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548 + ... + 13875.

It is an arithmetic number, because the mean of its divisors is an integer number (7886144).

Almost surely, 2^80877372 is an apocalyptic number.

It is an amenable number.

80877372 is an abundant number, since it is smaller than the sum of its proper divisors (108390084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80877372 is a wasteful number, since it uses less digits than its factorization.

80877372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19777 (or 19775 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 80877372 is about 8993.1847529115. The cubic root of 80877372 is about 432.4564149113.

The spelling of 80877372 in words is "eighty million, eight hundred seventy-seven thousand, three hundred seventy-two".