857132375808 has 36 divisors (see below), whose sum is σ = 2281222106408. Its totient is φ = 285710791680.

The previous prime is 857132375807. The next prime is 857132375821. The reversal of 857132375808 is 808573231758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857132375807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558028123 + ... + 558029658.

Almost surely, 2^857132375808 is an apocalyptic number.

It is an amenable number.

857132375808 is an abundant number, since it is smaller than the sum of its proper divisors (1424089730600).

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

857132375808 is a wasteful number, since it uses less digits than its factorization.

857132375808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116057800 (or 1116057786 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 857132375808 in words is "eight hundred fifty-seven billion, one hundred thirty-two million, three hundred seventy-five thousand, eight hundred eight".