799764864 has 128 divisors (see below), whose sum is σ = 2273482080. Its totient is φ = 248217600.

The previous prime is 799764857. The next prime is 799764887. The reversal of 799764864 is 468467997.

799764864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 799764798 and 799764807.

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, 658722 + ... + 659934.

Almost surely, 2^799764864 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 799764864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136741040).

799764864 is an abundant number, since it is smaller than the sum of its proper divisors (1473717216).

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

799764864 is a wasteful number, since it uses less digits than its factorization.

799764864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1336 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The square root of 799764864 is about 28280.1142854834. The cubic root of 799764864 is about 928.2268074244.

The spelling of 799764864 in words is "seven hundred ninety-nine million, seven hundred sixty-four thousand, eight hundred sixty-four".