799666996 has 12 divisors (see below), whose sum is σ = 1447673220. Its totient is φ = 386046080.

The previous prime is 799666981. The next prime is 799666999. The reversal of 799666996 is 699666997.

It can be written as a sum of positive squares in 2 ways, for example, as 311875600 + 487791396 = 17660^2 + 22086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799666999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446725 + ... + 3446956.

It is an arithmetic number, because the mean of its divisors is an integer number (120639435).

Almost surely, 2^799666996 is an apocalyptic number.

It is an amenable number.

799666996 is a deficient number, since it is larger than the sum of its proper divisors (648006224).

799666996 is a wasteful number, since it uses less digits than its factorization.

799666996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893714 (or 6893712 counting only the distinct ones).

The product of its digits is 59521392, while the sum is 67.

The square root of 799666996 is about 28278.3839000746. The cubic root of 799666996 is about 928.1889432091.

Subtracting from 799666996 its reverse (699666997), we obtain a palindrome (99999999).

The spelling of 799666996 in words is "seven hundred ninety-nine million, six hundred sixty-six thousand, nine hundred ninety-six".