80874972 has 18 divisors (see below), whose sum is σ = 204434048. Its totient is φ = 26958312.

The previous prime is 80874949. The next prime is 80874977. The reversal of 80874972 is 27947808.

80874972 is a `hidden beast` number, since 80 + 87 + 497 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×80874972² = 13081522192001568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80874977) 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 5 ways as a sum of consecutive naturals, for example, 1123228 + ... + 1123299.

Almost surely, 2^80874972 is an apocalyptic number.

It is an amenable number.

80874972 is an abundant number, since it is smaller than the sum of its proper divisors (123559076).

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

80874972 is a wasteful number, since it uses less digits than its factorization.

80874972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246537 (or 2246532 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 80874972 is about 8993.0513175451. The cubic root of 80874972 is about 432.4521372185.

The spelling of 80874972 in words is "eighty million, eight hundred seventy-four thousand, nine hundred seventy-two".