857035572 has 12 divisors (see below), whose sum is σ = 1999749696. Its totient is φ = 285678520.

The previous prime is 857035561. The next prime is 857035573. The reversal of 857035572 is 275530758.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857035573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35709804 + ... + 35709827.

It is an arithmetic number, because the mean of its divisors is an integer number (166645808).

Almost surely, 2^857035572 is an apocalyptic number.

It is an amenable number.

857035572 is an abundant number, since it is smaller than the sum of its proper divisors (1142714124).

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

857035572 is a wasteful number, since it uses less digits than its factorization.

857035572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71419638 (or 71419636 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 857035572 is about 29275.1698884908. The cubic root of 857035572 is about 949.8746176169.

The spelling of 857035572 in words is "eight hundred fifty-seven million, thirty-five thousand, five hundred seventy-two".