797244864 has 112 divisors (see below), whose sum is σ = 2391338880. Its totient is φ = 232381440.

The previous prime is 797244841. The next prime is 797244881. The reversal of 797244864 is 468442797.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39019 + ... + 55829.

It is an arithmetic number, because the mean of its divisors is an integer number (21351240).

Almost surely, 2^797244864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797244864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195669440).

797244864 is an abundant number, since it is smaller than the sum of its proper divisors (1594094016).

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

797244864 is a wasteful number, since it uses less digits than its factorization.

797244864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16858 (or 16848 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 797244864 is about 28235.5248578807. The cubic root of 797244864 is about 927.2508569586.

The spelling of 797244864 in words is "seven hundred ninety-seven million, two hundred forty-four thousand, eight hundred sixty-four".