8079857 has 2 divisors, whose sum is σ = 8079858. Its totient is φ = 8079856.

The previous prime is 8079853. The next prime is 8079887. The reversal of 8079857 is 7589708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7845601 + 234256 = 2801^2 + 484^2 .

It is a cyclic number.

It is not a de Polignac number, because 8079857 - 2² = 8079853 is a prime.

It is not a weakly prime, because it can be changed into another prime (8079853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4039928 + 4039929.

It is an arithmetic number, because the mean of its divisors is an integer number (4039929).

Almost surely, 2^8079857 is an apocalyptic number.

It is an amenable number.

8079857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8079857 is an equidigital number, since it uses as much as digits as its factorization.

8079857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 8079857 is about 2842.5089269869. The cubic root of 8079857 is about 200.6632729136.

The spelling of 8079857 in words is "eight million, seventy-nine thousand, eight hundred fifty-seven".