857028102 has 32 divisors (see below), whose sum is σ = 1959839232. Its totient is φ = 244750464.

The previous prime is 857028091. The next prime is 857028119. The reversal of 857028102 is 201820758.

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 15 ways as a sum of consecutive naturals, for example, 131943 + ... + 138285.

It is an arithmetic number, because the mean of its divisors is an integer number (61244976).

Almost surely, 2^857028102 is an apocalyptic number.

857028102 is an abundant number, since it is smaller than the sum of its proper divisors (1102811130).

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

857028102 is a wasteful number, since it uses less digits than its factorization.

857028102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 857028102 is about 29275.0423056910. The cubic root of 857028102 is about 949.8718578777.

The spelling of 857028102 in words is "eight hundred fifty-seven million, twenty-eight thousand, one hundred two".