857852272 has 40 divisors (see below), whose sum is σ = 1725371712. Its totient is φ = 412896000.

The previous prime is 857852267. The next prime is 857852297. The reversal of 857852272 is 272258758.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36522 + ... + 55222.

Almost surely, 2^857852272 is an apocalyptic number.

It is an amenable number.

857852272 is an abundant number, since it is smaller than the sum of its proper divisors (867519440).

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

857852272 is a wasteful number, since it uses less digits than its factorization.

857852272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18817 (or 18811 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 857852272 is about 29289.1152478186. The cubic root of 857852272 is about 950.1762450478.

The spelling of 857852272 in words is "eight hundred fifty-seven million, eight hundred fifty-two thousand, two hundred seventy-two".