799658780 has 12 divisors (see below), whose sum is σ = 1679283480. Its totient is φ = 319863504.

The previous prime is 799658773. The next prime is 799658807. The reversal of 799658780 is 87856997.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 19991450 + ... + 19991489.

It is an arithmetic number, because the mean of its divisors is an integer number (139940290).

Almost surely, 2^799658780 is an apocalyptic number.

It is an amenable number.

799658780 is an abundant number, since it is smaller than the sum of its proper divisors (879624700).

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

799658780 is a wasteful number, since it uses less digits than its factorization.

799658780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39982948 (or 39982946 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 59.

The square root of 799658780 is about 28278.2386297308. The cubic root of 799658780 is about 928.1857643749.

The spelling of 799658780 in words is "seven hundred ninety-nine million, six hundred fifty-eight thousand, seven hundred eighty".