485797980 has 24 divisors (see below), whose sum is σ = 1360234512. Its totient is φ = 129546112.

The previous prime is 485797943. The next prime is 485797999. The reversal of 485797980 is 89797584.

It is a self number, because there is not a number n which added to its sum of digits gives 485797980.

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, 4048257 + ... + 4048376.

It is an arithmetic number, because the mean of its divisors is an integer number (56676438).

Almost surely, 2^485797980 is an apocalyptic number.

It is an amenable number.

485797980 is an abundant number, since it is smaller than the sum of its proper divisors (874436532).

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

485797980 is a wasteful number, since it uses less digits than its factorization.

485797980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096645 (or 8096643 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The square root of 485797980 is about 22040.8253021524. The cubic root of 485797980 is about 786.1134644452.

The spelling of 485797980 in words is "four hundred eighty-five million, seven hundred ninety-seven thousand, nine hundred eighty".