799968864 has 96 divisors (see below), whose sum is σ = 2245501440. Its totient is φ = 248481792.

The previous prime is 799968859. The next prime is 799968899. The reversal of 799968864 is 468869997.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 799968795 and 799968804.

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, 165717 + ... + 170475.

It is an arithmetic number, because the mean of its divisors is an integer number (23390640).

Almost surely, 2^799968864 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 799968864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122750720).

799968864 is an abundant number, since it is smaller than the sum of its proper divisors (1445532576).

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

799968864 is a wasteful number, since it uses less digits than its factorization.

799968864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4884 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 66.

The square root of 799968864 is about 28283.7208301878. The cubic root of 799968864 is about 928.3057231905.

The spelling of 799968864 in words is "seven hundred ninety-nine million, nine hundred sixty-eight thousand, eight hundred sixty-four".