857190804 has 12 divisors (see below), whose sum is σ = 2000111904. Its totient is φ = 285730264.

The previous prime is 857190791. The next prime is 857190811. The reversal of 857190804 is 408091758.

857190804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35716272 + ... + 35716295.

It is an arithmetic number, because the mean of its divisors is an integer number (166675992).

Almost surely, 2^857190804 is an apocalyptic number.

It is an amenable number.

857190804 is an abundant number, since it is smaller than the sum of its proper divisors (1142921100).

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

857190804 is a wasteful number, since it uses less digits than its factorization.

857190804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71432574 (or 71432572 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 857190804 is about 29277.8210254793. The cubic root of 857190804 is about 949.9319633639.

The spelling of 857190804 in words is "eight hundred fifty-seven million, one hundred ninety thousand, eight hundred four".