797442816 has 36 divisors (see below), whose sum is σ = 2122362872. Its totient is φ = 265814016.

The previous prime is 797442799. The next prime is 797442829. The reversal of 797442816 is 618244797.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 518401 + ... + 519936.

Almost surely, 2^797442816 is an apocalyptic number.

It is an amenable number.

797442816 is an abundant number, since it is smaller than the sum of its proper divisors (1324920056).

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

797442816 is a wasteful number, since it uses less digits than its factorization.

797442816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038356 (or 1038342 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 797442816 is about 28239.0300116700. The cubic root of 797442816 is about 927.3275945584.

The spelling of 797442816 in words is "seven hundred ninety-seven million, four hundred forty-two thousand, eight hundred sixteen".