799852905 has 12 divisors (see below), whose sum is σ = 1386411780. Its totient is φ = 426588192.

The previous prime is 799852903. The next prime is 799852913. The reversal of 799852905 is 509258997.

It can be written as a sum of positive squares in 2 ways, for example, as 422055936 + 377796969 = 20544^2 + 19437^2 .

It is not a de Polignac number, because 799852905 - 2¹ = 799852903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (799852903) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8887210 + ... + 8887299.

It is an arithmetic number, because the mean of its divisors is an integer number (115534315).

Almost surely, 2^799852905 is an apocalyptic number.

It is an amenable number.

799852905 is a deficient number, since it is larger than the sum of its proper divisors (586558875).

799852905 is a wasteful number, since it uses less digits than its factorization.

799852905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17774520 (or 17774517 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The square root of 799852905 is about 28281.6708311231. The cubic root of 799852905 is about 928.2608670259.

The spelling of 799852905 in words is "seven hundred ninety-nine million, eight hundred fifty-two thousand, nine hundred five".