857835052 has 12 divisors (see below), whose sum is σ = 1507494240. Its totient is φ = 427122416.

The previous prime is 857835037. The next prime is 857835119. The reversal of 857835052 is 250538758.

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, 447703 + ... + 449614.

It is an arithmetic number, because the mean of its divisors is an integer number (125624520).

Almost surely, 2^857835052 is an apocalyptic number.

It is an amenable number.

857835052 is a deficient number, since it is larger than the sum of its proper divisors (649659188).

857835052 is a wasteful number, since it uses less digits than its factorization.

857835052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897560 (or 897558 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The square root of 857835052 is about 29288.8212804817. The cubic root of 857835052 is about 950.1698872537.

The spelling of 857835052 in words is "eight hundred fifty-seven million, eight hundred thirty-five thousand, fifty-two".