799818685 has 8 divisors (see below), whose sum is σ = 960006456. Its totient is φ = 639705600.

The previous prime is 799818671. The next prime is 799818709. The reversal of 799818685 is 586818997.

It can be written as a sum of positive squares in 4 ways, for example, as 313219204 + 486599481 = 17698^2 + 22059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 799818685 - 2⁵ = 799818653 is a prime.

It is a Duffinian number.

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, 8485 + ... + 40885.

It is an arithmetic number, because the mean of its divisors is an integer number (120000807).

Almost surely, 2^799818685 is an apocalyptic number.

It is an amenable number.

799818685 is a deficient number, since it is larger than the sum of its proper divisors (160187771).

799818685 is a wasteful number, since it uses less digits than its factorization.

799818685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37343.

The product of its digits is 8709120, while the sum is 61.

The square root of 799818685 is about 28281.0658391794. The cubic root of 799818685 is about 928.2476289502.

The spelling of 799818685 in words is "seven hundred ninety-nine million, eight hundred eighteen thousand, six hundred eighty-five".