857145119904 has 96 divisors (see below), whose sum is σ = 2505478227840. Its totient is φ = 285089711616.

The previous prime is 857145119881. The next prime is 857145119959. The reversal of 857145119904 is 409911541758.

857145119904 is a `hidden beast` number, since 8 + 571 + 4 + 51 + 19 + 9 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 690564 + ... + 1480259.

It is an arithmetic number, because the mean of its divisors is an integer number (26098731540).

Almost surely, 2^857145119904 is an apocalyptic number.

It is an amenable number.

857145119904 is an abundant number, since it is smaller than the sum of its proper divisors (1648333107936).

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

857145119904 is a wasteful number, since it uses less digits than its factorization.

857145119904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171299 (or 2171285 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 857145119904 in words is "eight hundred fifty-seven billion, one hundred forty-five million, one hundred nineteen thousand, nine hundred four".