8457057 has 36 divisors (see below), whose sum is σ = 14416896. Its totient is φ = 4762800.

The previous prime is 8457049. The next prime is 8457061. The reversal of 8457057 is 7507548.

8457057 is a `hidden beast` number, since 84 + 570 + 5 + 7 = 666.

It is not a de Polignac number, because 8457057 - 2³ = 8457049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8457037) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55932 + ... + 56082.

Almost surely, 2^8457057 is an apocalyptic number.

It is an amenable number.

8457057 is a deficient number, since it is larger than the sum of its proper divisors (5959839).

8457057 is a wasteful number, since it uses less digits than its factorization.

8457057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 8457057 is about 2908.1019583226. The cubic root of 8457057 is about 203.7384913268.

The spelling of 8457057 in words is "eight million, four hundred fifty-seven thousand, fifty-seven".