797558931 has 12 divisors (see below), whose sum is σ = 1240647408. Its totient is φ = 490805424.

The previous prime is 797558903. The next prime is 797558941. The reversal of 797558931 is 139855797.

797558931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 797558931 - 2⁷ = 797558803 is a prime.

It is a super-2 number, since 2×797558931² = 1272200496835725522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (797558941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3408255 + ... + 3408488.

It is an arithmetic number, because the mean of its divisors is an integer number (103387284).

Almost surely, 2^797558931 is an apocalyptic number.

797558931 is a deficient number, since it is larger than the sum of its proper divisors (443088477).

797558931 is a wasteful number, since it uses less digits than its factorization.

797558931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816762 (or 6816759 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 54.

The square root of 797558931 is about 28241.0858679336. The cubic root of 797558931 is about 927.3726015130.

The spelling of 797558931 in words is "seven hundred ninety-seven million, five hundred fifty-eight thousand, nine hundred thirty-one".