857633633130 has 32 divisors (see below), whose sum is σ = 2166653390400. Its totient is φ = 216665338752.

The previous prime is 857633633117. The next prime is 857633633179. The reversal of 857633633130 is 31336336758.

It is a self number, because there is not a number n which added to its sum of digits gives 857633633130.

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, 752309635 + ... + 752310774.

It is an arithmetic number, because the mean of its divisors is an integer number (67707918450).

Almost surely, 2^857633633130 is an apocalyptic number.

857633633130 is an abundant number, since it is smaller than the sum of its proper divisors (1309019757270).

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

857633633130 is a wasteful number, since it uses less digits than its factorization.

857633633130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504620438.

The product of its (nonzero) digits is 2449440, while the sum is 48.

Adding to 857633633130 its reverse (31336336758), we get a palindrome (888969969888).

The spelling of 857633633130 in words is "eight hundred fifty-seven billion, six hundred thirty-three million, six hundred thirty-three thousand, one hundred thirty".