857928716 has 12 divisors (see below), whose sum is σ = 1501785432. Its totient is φ = 428847168.

The previous prime is 857928691. The next prime is 857928763. The reversal of 857928716 is 617829758.

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, 11645 + ... + 43028.

It is an arithmetic number, because the mean of its divisors is an integer number (125148786).

Almost surely, 2^857928716 is an apocalyptic number.

It is an amenable number.

857928716 is a deficient number, since it is larger than the sum of its proper divisors (643856716).

857928716 is a wasteful number, since it uses less digits than its factorization.

857928716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58600 (or 58598 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 53.

The square root of 857928716 is about 29290.4202086621. The cubic root of 857928716 is about 950.2044679007.

The spelling of 857928716 in words is "eight hundred fifty-seven million, nine hundred twenty-eight thousand, seven hundred sixteen".