799203972664 has 64 divisors (see below), whose sum is σ = 1601239868640. Its totient is φ = 372641095680.

The previous prime is 799203972659. The next prime is 799203972673. The reversal of 799203972664 is 466279302997.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 799203972596 and 799203972605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57361779 + ... + 57375709.

Almost surely, 2^799203972664 is an apocalyptic number.

It is an amenable number.

799203972664 is an abundant number, since it is smaller than the sum of its proper divisors (802035895976).

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

799203972664 is a wasteful number, since it uses less digits than its factorization.

799203972664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17800 (or 17796 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 64.

The spelling of 799203972664 in words is "seven hundred ninety-nine billion, two hundred three million, nine hundred seventy-two thousand, six hundred sixty-four".