852688990 has 16 divisors (see below), whose sum is σ = 1535209200. Its totient is φ = 340993600.

The previous prime is 852688987. The next prime is 852689003. The reversal of 852688990 is 99886258.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50661 + ... + 65359.

It is an arithmetic number, because the mean of its divisors is an integer number (95950575).

Almost surely, 2^852688990 is an apocalyptic number.

852688990 is a deficient number, since it is larger than the sum of its proper divisors (682520210).

852688990 is a wasteful number, since it uses less digits than its factorization.

852688990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20507.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 852688990 is about 29200.8388578137. The cubic root of 852688990 is about 948.2660856157.

The spelling of 852688990 in words is "eight hundred fifty-two million, six hundred eighty-eight thousand, nine hundred ninety".