500978972 has 24 divisors (see below), whose sum is σ = 974612352. Its totient is φ = 223761600.

The previous prime is 500978963. The next prime is 500978983. The reversal of 500978972 is 279879005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153779 + ... + 157002.

It is an arithmetic number, because the mean of its divisors is an integer number (40608848).

Almost surely, 2^500978972 is an apocalyptic number.

500978972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

500978972 is a deficient number, since it is larger than the sum of its proper divisors (473633380).

500978972 is a wasteful number, since it uses less digits than its factorization.

500978972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310829 (or 310827 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 500978972 is about 22382.5595497923. The cubic root of 500978972 is about 794.2181953360.

The spelling of 500978972 in words is "five hundred million, nine hundred seventy-eight thousand, nine hundred seventy-two".