857166882 has 32 divisors (see below), whose sum is σ = 2014044480. Its totient is φ = 239766720.

The previous prime is 857166881. The next prime is 857166887. The reversal of 857166882 is 288661758.

It is not an unprimeable number, because it can be changed into a prime (857166881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 498657 + ... + 500372.

It is an arithmetic number, because the mean of its divisors is an integer number (62938890).

Almost surely, 2^857166882 is an apocalyptic number.

857166882 is an abundant number, since it is smaller than the sum of its proper divisors (1156877598).

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

857166882 is a wasteful number, since it uses less digits than its factorization.

857166882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999058.

The product of its digits is 1290240, while the sum is 51.

The square root of 857166882 is about 29277.4124881281. The cubic root of 857166882 is about 949.9231265589.

The spelling of 857166882 in words is "eight hundred fifty-seven million, one hundred sixty-six thousand, eight hundred eighty-two".