799688825 has 12 divisors (see below), whose sum is σ = 1067892588. Its totient is φ = 590539200.

The previous prime is 799688821. The next prime is 799688861. The reversal of 799688825 is 528886997.

It can be written as a sum of positive squares in 6 ways, for example, as 7772944 + 791915881 = 2788^2 + 28141^2 .

It is not a de Polignac number, because 799688825 - 2² = 799688821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799688821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1229966 + ... + 1230615.

It is an arithmetic number, because the mean of its divisors is an integer number (88991049).

Almost surely, 2^799688825 is an apocalyptic number.

It is an amenable number.

799688825 is a deficient number, since it is larger than the sum of its proper divisors (268203763).

799688825 is a wasteful number, since it uses less digits than its factorization.

799688825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460604 (or 2460599 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 62.

The square root of 799688825 is about 28278.7698636274. The cubic root of 799688825 is about 928.1973889130.

The spelling of 799688825 in words is "seven hundred ninety-nine million, six hundred eighty-eight thousand, eight hundred twenty-five".