857362668 has 48 divisors (see below), whose sum is σ = 2080673280. Its totient is φ = 274532544.

The previous prime is 857362657. The next prime is 857362687. The reversal of 857362668 is 866263758.

It is a self number, because there is not a number n which added to its sum of digits gives 857362668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 47297.

It is an arithmetic number, because the mean of its divisors is an integer number (43347360).

Almost surely, 2^857362668 is an apocalyptic number.

It is an amenable number.

857362668 is an abundant number, since it is smaller than the sum of its proper divisors (1223310612).

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

857362668 is a wasteful number, since it uses less digits than its factorization.

857362668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24566 (or 24564 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 857362668 is about 29280.7559328648. The cubic root of 857362668 is about 949.9954452229.

The spelling of 857362668 in words is "eight hundred fifty-seven million, three hundred sixty-two thousand, six hundred sixty-eight".