851198904 has 48 divisors (see below), whose sum is σ = 2405566800. Its totient is φ = 271396224.

The previous prime is 851198897. The next prime is 851198911. The reversal of 851198904 is 409891158.

851198904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (851198897) and next prime (851198911).

It is a self number, because there is not a number n which added to its sum of digits gives 851198904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255349 + ... + 258660.

It is an arithmetic number, because the mean of its divisors is an integer number (50115975).

Almost surely, 2^851198904 is an apocalyptic number.

It is an amenable number.

851198904 is an abundant number, since it is smaller than the sum of its proper divisors (1554367896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

851198904 is a wasteful number, since it uses less digits than its factorization.

851198904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514044 (or 514037 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 851198904 is about 29175.3132630997. The cubic root of 851198904 is about 947.7133941057.

The spelling of 851198904 in words is "eight hundred fifty-one million, one hundred ninety-eight thousand, nine hundred four".