797130816 has 56 divisors (see below), whose sum is σ = 2233147680. Its totient is φ = 250079232.

The previous prime is 797130811. The next prime is 797130821. The reversal of 797130816 is 618031797.

It is an interprime number because it is at equal distance from previous prime (797130811) and next prime (797130821).

It is not an unprimeable number, because it can be changed into a prime (797130811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118846 + ... + 125373.

Almost surely, 2^797130816 is an apocalyptic number.

It is an amenable number.

797130816 is an abundant number, since it is smaller than the sum of its proper divisors (1436016864).

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

797130816 is a wasteful number, since it uses less digits than its factorization.

797130816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244251 (or 244241 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 797130816 is about 28233.5052021530. The cubic root of 797130816 is about 927.2066396156.

The spelling of 797130816 in words is "seven hundred ninety-seven million, one hundred thirty thousand, eight hundred sixteen".