851928830 has 16 divisors (see below), whose sum is σ = 1534060080. Its totient is φ = 340640832.

The previous prime is 851928829. The next prime is 851928877. The reversal of 851928830 is 38829158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13661 + ... + 43479.

It is an arithmetic number, because the mean of its divisors is an integer number (95878755).

Almost surely, 2^851928830 is an apocalyptic number.

851928830 is a deficient number, since it is larger than the sum of its proper divisors (682131250).

851928830 is a wasteful number, since it uses less digits than its factorization.

851928830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32683.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 851928830 is about 29187.8198911806. The cubic root of 851928830 is about 947.9842133009.

The spelling of 851928830 in words is "eight hundred fifty-one million, nine hundred twenty-eight thousand, eight hundred thirty".