857673141236 has 36 divisors (see below), whose sum is σ = 1588621752900. Its totient is φ = 405101900160.

The previous prime is 857673141173. The next prime is 857673141307. The reversal of 857673141236 is 632141376758.

It can be written as a sum of positive squares in 2 ways, for example, as 754274880100 + 103398261136 = 868490^2 + 321556^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346985 + ... + 1354896.

It is an arithmetic number, because the mean of its divisors is an integer number (44128382025).

Almost surely, 2^857673141236 is an apocalyptic number.

It is an amenable number.

857673141236 is a deficient number, since it is larger than the sum of its proper divisors (730948611664).

857673141236 is a wasteful number, since it uses less digits than its factorization.

857673141236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702272 (or 1702251 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The spelling of 857673141236 in words is "eight hundred fifty-seven billion, six hundred seventy-three million, one hundred forty-one thousand, two hundred thirty-six".