851953372 has 12 divisors (see below), whose sum is σ = 1494639216. Its totient is φ = 424913600.

The previous prime is 851953357. The next prime is 851953381. The reversal of 851953372 is 273359158.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 263968 + ... + 267175.

It is an arithmetic number, because the mean of its divisors is an integer number (124553268).

Almost surely, 2^851953372 is an apocalyptic number.

It is an amenable number.

851953372 is a deficient number, since it is larger than the sum of its proper divisors (642685844).

851953372 is a wasteful number, since it uses less digits than its factorization.

851953372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531548 (or 531546 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 851953372 is about 29188.2403032454. The cubic root of 851953372 is about 947.9933162543.

The spelling of 851953372 in words is "eight hundred fifty-one million, nine hundred fifty-three thousand, three hundred seventy-two".