857884704 has 48 divisors (see below), whose sum is σ = 2253494880. Its totient is φ = 285765120.

The previous prime is 857884681. The next prime is 857884717. The reversal of 857884704 is 407488758.

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

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225732 + ... + 229500.

It is an arithmetic number, because the mean of its divisors is an integer number (46947810).

Almost surely, 2^857884704 is an apocalyptic number.

It is an amenable number.

857884704 is an abundant number, since it is smaller than the sum of its proper divisors (1395610176).

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

857884704 is a wasteful number, since it uses less digits than its factorization.

857884704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6145 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 51.

The square root of 857884704 is about 29289.6688953631. The cubic root of 857884704 is about 950.1882190316.

The spelling of 857884704 in words is "eight hundred fifty-seven million, eight hundred eighty-four thousand, seven hundred four".