80818974 has 12 divisors (see below), whose sum is σ = 175107816. Its totient is φ = 26939652.

The previous prime is 80818963. The next prime is 80818981. The reversal of 80818974 is 47981808.

It is a congruent number.

It is an unprimeable number.

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, 2244954 + ... + 2244989.

It is an arithmetic number, because the mean of its divisors is an integer number (14592318).

Almost surely, 2^80818974 is an apocalyptic number.

80818974 is an abundant number, since it is smaller than the sum of its proper divisors (94288842).

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

80818974 is a wasteful number, since it uses less digits than its factorization.

80818974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489951 (or 4489948 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 80818974 is about 8989.9373746428. The cubic root of 80818974 is about 432.3523039182.

The spelling of 80818974 in words is "eighty million, eight hundred eighteen thousand, nine hundred seventy-four".