797817764 has 12 divisors (see below), whose sum is σ = 1398230064. Its totient is φ = 398323464.

The previous prime is 797817739. The next prime is 797817793. The reversal of 797817764 is 467718797.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143282 + ... + 148745.

It is an arithmetic number, because the mean of its divisors is an integer number (116519172).

Almost surely, 2^797817764 is an apocalyptic number.

It is an amenable number.

797817764 is a deficient number, since it is larger than the sum of its proper divisors (600412300).

797817764 is a wasteful number, since it uses less digits than its factorization.

797817764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292714 (or 292712 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 56.

The square root of 797817764 is about 28245.6680572438. The cubic root of 797817764 is about 927.4729112045.

The spelling of 797817764 in words is "seven hundred ninety-seven million, eight hundred seventeen thousand, seven hundred sixty-four".