857651107106 has 8 divisors (see below), whose sum is σ = 1286682285420. Its totient is φ = 428757011968.

The previous prime is 857651107097. The next prime is 857651107139. The reversal of 857651107106 is 601701156758.

It can be written as a sum of positive squares in 2 ways, for example, as 835653767881 + 21997339225 = 914141^2 + 148315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×857651107106⁴ (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34255151 + ... + 34280178.

Almost surely, 2^857651107106 is an apocalyptic number.

857651107106 is a deficient number, since it is larger than the sum of its proper divisors (429031178314).

857651107106 is a wasteful number, since it uses less digits than its factorization.

857651107106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68541588.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 857651107106 in words is "eight hundred fifty-seven billion, six hundred fifty-one million, one hundred seven thousand, one hundred six".