797980560 has 80 divisors (see below), whose sum is σ = 2664037824. Its totient is φ = 196425216.

The previous prime is 797980511. The next prime is 797980567. The reversal of 797980560 is 65089797.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (797980567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124762 + ... + 131001.

Almost surely, 2^797980560 is an apocalyptic number.

It is an amenable number.

797980560 is an abundant number, since it is smaller than the sum of its proper divisors (1866057264).

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

797980560 is a wasteful number, since it uses less digits than its factorization.

797980560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255792 (or 255786 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 797980560 is about 28248.5496972853. The cubic root of 797980560 is about 927.5359910281.

The spelling of 797980560 in words is "seven hundred ninety-seven million, nine hundred eighty thousand, five hundred sixty".