857635536757 has 12 divisors (see below), whose sum is σ = 911286667360. Its totient is φ = 806978725056.

The previous prime is 857635536749. The next prime is 857635536817. The reversal of 857635536757 is 757635536758.

It is not a de Polignac number, because 857635536757 - 2³ = 857635536749 is a prime.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 857635536692 and 857635536701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857635536707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749344 + ... + 1508902.

Almost surely, 2^857635536757 is an apocalyptic number.

It is an amenable number.

857635536757 is a deficient number, since it is larger than the sum of its proper divisors (53651130603).

857635536757 is a wasteful number, since it uses less digits than its factorization.

857635536757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763500 (or 763483 counting only the distinct ones).

The product of its digits is 555660000, while the sum is 67.

Subtracting from 857635536757 its reverse (757635536758), we obtain a palindrome (99999999999).

The spelling of 857635536757 in words is "eight hundred fifty-seven billion, six hundred thirty-five million, five hundred thirty-six thousand, seven hundred fifty-seven".