851895364 has 24 divisors (see below), whose sum is σ = 1581189120. Its totient is φ = 400212096.

The previous prime is 851895337. The next prime is 851895371. The reversal of 851895364 is 463598158.

It is a super-2 number, since 2×851895364² = 1451451422409384992, which contains 22 as substring.

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, 30957 + ... + 51595.

It is an arithmetic number, because the mean of its divisors is an integer number (65882880).

Almost surely, 2^851895364 is an apocalyptic number.

It is an amenable number.

851895364 is a deficient number, since it is larger than the sum of its proper divisors (729293756).

851895364 is a wasteful number, since it uses less digits than its factorization.

851895364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21267 (or 21265 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 851895364 is about 29187.2465984717. The cubic root of 851895364 is about 947.9718000359.

The spelling of 851895364 in words is "eight hundred fifty-one million, eight hundred ninety-five thousand, three hundred sixty-four".