799856658996 has 24 divisors (see below), whose sum is σ = 1866382512960. Its totient is φ = 266611699392.

The previous prime is 799856658947. The next prime is 799856659039. The reversal of 799856658996 is 699856658997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424656 + ... + 1334183.

It is an arithmetic number, because the mean of its divisors is an integer number (77765938040).

Almost surely, 2^799856658996 is an apocalyptic number.

It is an amenable number.

799856658996 is an abundant number, since it is smaller than the sum of its proper divisors (1066525853964).

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

799856658996 is a wasteful number, since it uses less digits than its factorization.

799856658996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796743 (or 1796741 counting only the distinct ones).

The product of its digits is 15872371200, while the sum is 87.

Subtracting from 799856658996 its reverse (699856658997), we obtain a palindrome (99999999999).

The spelling of 799856658996 in words is "seven hundred ninety-nine billion, eight hundred fifty-six million, six hundred fifty-eight thousand, nine hundred ninety-six".