8056857 has 8 divisors (see below), whose sum is σ = 10820320. Its totient is φ = 5332596.

The previous prime is 8056847. The next prime is 8056859. The reversal of 8056857 is 7586508.

It is a happy number.

8056857 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an ABA number since it can be written as A⋅B^A, here for A=3, B=139.

It is not a de Polignac number, because 8056857 - 2¹⁵ = 8024089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8056859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57894 + ... + 58032.

It is an arithmetic number, because the mean of its divisors is an integer number (1352540).

Almost surely, 2^8056857 is an apocalyptic number.

It is an amenable number.

8056857 is a deficient number, since it is larger than the sum of its proper divisors (2763463).

8056857 is an frugal number, since it uses more digits than its factorization.

8056857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 8056857 is about 2838.4603220760. The cubic root of 8056857 is about 200.4726902727.

The spelling of 8056857 in words is "eight million, fifty-six thousand, eight hundred fifty-seven".