799816320 has 192 divisors, whose sum is σ = 2780144640. Its totient is φ = 211875840.

The previous prime is 799816291. The next prime is 799816351. The reversal of 799816320 is 23618997.

799816320 is a `hidden beast` number, since 7 + 9 + 9 + 8 + 1 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×799816320² = 1279412291476684800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099797 + ... + 1100523.

It is an arithmetic number, because the mean of its divisors is an integer number (14479920).

Almost surely, 2^799816320 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 799816320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390072320).

799816320 is an abundant number, since it is smaller than the sum of its proper divisors (1980328320).

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

799816320 is a wasteful number, since it uses less digits than its factorization.

799816320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 799816320 is about 28281.0240267215. The cubic root of 799816320 is about 928.2467140313.

The spelling of 799816320 in words is "seven hundred ninety-nine million, eight hundred sixteen thousand, three hundred twenty".