857572704 has 48 divisors (see below), whose sum is σ = 2501256240. Its totient is φ = 285857280.

The previous prime is 857572699. The next prime is 857572721. The reversal of 857572704 is 407275758.

857572704 is a `hidden beast` number, since 8 + 5 + 7 + 572 + 70 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 857572704.

It is a congruent number.

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, 495417 + ... + 497144.

It is an arithmetic number, because the mean of its divisors is an integer number (52109505).

Almost surely, 2^857572704 is an apocalyptic number.

It is an amenable number.

857572704 is an abundant number, since it is smaller than the sum of its proper divisors (1643683536).

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

857572704 is a wasteful number, since it uses less digits than its factorization.

857572704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992580 (or 992566 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 857572704 is about 29284.3423009635. The cubic root of 857572704 is about 950.0730152560.

The spelling of 857572704 in words is "eight hundred fifty-seven million, five hundred seventy-two thousand, seven hundred four".