857043612 has 48 divisors (see below), whose sum is σ = 2298592800. Its totient is φ = 275829120.

The previous prime is 857043601. The next prime is 857043613. The reversal of 857043612 is 216340758.

857043612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857043613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133689 + ... + 139952.

It is an arithmetic number, because the mean of its divisors is an integer number (47887350).

Almost surely, 2^857043612 is an apocalyptic number.

It is an amenable number.

857043612 is an abundant number, since it is smaller than the sum of its proper divisors (1441549188).

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

857043612 is a wasteful number, since it uses less digits than its factorization.

857043612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273683 (or 273675 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 857043612 is about 29275.3072059031. The cubic root of 857043612 is about 949.8775879207.

The spelling of 857043612 in words is "eight hundred fifty-seven million, forty-three thousand, six hundred twelve".