8116857 has 24 divisors (see below), whose sum is σ = 14106560. Its totient is φ = 4393440.

The previous prime is 8116847. The next prime is 8116877. The reversal of 8116857 is 7586118.

It is not a de Polignac number, because 8116857 - 2⁴ = 8116841 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8116817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2194 + ... + 4587.

Almost surely, 2^8116857 is an apocalyptic number.

It is an amenable number.

8116857 is a deficient number, since it is larger than the sum of its proper divisors (5989703).

8116857 is a wasteful number, since it uses less digits than its factorization.

8116857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813 (or 6810 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 8116857 is about 2849.0098279929. The cubic root of 8116857 is about 200.9691049270.

It can be divided in two parts, 81168 and 57, that added together give a square (81225 = 285²).

The spelling of 8116857 in words is "eight million, one hundred sixteen thousand, eight hundred fifty-seven".