857133312 has 72 divisors (see below), whose sum is σ = 2607130176. Its totient is φ = 244893696.

The previous prime is 857133311. The next prime is 857133317. The reversal of 857133312 is 213331758.

It is not an unprimeable number, because it can be changed into a prime (857133311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74343 + ... + 85094.

Almost surely, 2^857133312 is an apocalyptic number.

It is an amenable number.

857133312 is an abundant number, since it is smaller than the sum of its proper divisors (1749996864).

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

857133312 is a wasteful number, since it uses less digits than its factorization.

857133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159463 (or 159449 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 857133312 is about 29276.8391736540. The cubic root of 857133312 is about 949.9107254982.

The spelling of 857133312 in words is "eight hundred fifty-seven million, one hundred thirty-three thousand, three hundred twelve".