799685400688 has 160 divisors (see below), whose sum is σ = 1660868697600. Its totient is φ = 372584908800.

The previous prime is 799685400677. The next prime is 799685400691. The reversal of 799685400688 is 886004586997.

799685400688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×799685400688² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5093537506 + ... + 5093537662.

It is an arithmetic number, because the mean of its divisors is an integer number (10380429360).

Almost surely, 2^799685400688 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 799685400688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830434348800).

799685400688 is an abundant number, since it is smaller than the sum of its proper divisors (861183296912).

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

799685400688 is a wasteful number, since it uses less digits than its factorization.

799685400688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 799685400688 in words is "seven hundred ninety-nine billion, six hundred eighty-five million, four hundred thousand, six hundred eighty-eight".