857543196 has 12 divisors (see below), whose sum is σ = 2000934152. Its totient is φ = 285847728.

The previous prime is 857543179. The next prime is 857543231. The reversal of 857543196 is 691345758.

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

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 3 ways as a sum of consecutive naturals, for example, 35730955 + ... + 35730978.

Almost surely, 2^857543196 is an apocalyptic number.

It is an amenable number.

857543196 is an abundant number, since it is smaller than the sum of its proper divisors (1143390956).

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

857543196 is a wasteful number, since it uses less digits than its factorization.

857543196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71461940 (or 71461938 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 857543196 is about 29283.8384779045. The cubic root of 857543196 is about 950.0621181912.

The spelling of 857543196 in words is "eight hundred fifty-seven million, five hundred forty-three thousand, one hundred ninety-six".