797392881 has 24 divisors (see below), whose sum is σ = 1192239360. Its totient is φ = 513021600.

The previous prime is 797392877. The next prime is 797392891. The reversal of 797392881 is 188293797.

It is not a de Polignac number, because 797392881 - 2² = 797392877 is a prime.

It is a super-2 number, since 2×797392881² = 1271670813338960322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (797392831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101971 + ... + 109511.

It is an arithmetic number, because the mean of its divisors is an integer number (49676640).

Almost surely, 2^797392881 is an apocalyptic number.

It is an amenable number.

797392881 is a deficient number, since it is larger than the sum of its proper divisors (394846479).

797392881 is a wasteful number, since it uses less digits than its factorization.

797392881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957 (or 7954 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 797392881 is about 28238.1458491878. The cubic root of 797392881 is about 927.3082380733.

The spelling of 797392881 in words is "seven hundred ninety-seven million, three hundred ninety-two thousand, eight hundred eighty-one".