7868057 has 2 divisors, whose sum is σ = 7868058. Its totient is φ = 7868056.

The previous prime is 7868053. The next prime is 7868083. The reversal of 7868057 is 7508687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7376656 + 491401 = 2716^2 + 701^2 .

It is a cyclic number.

It is not a de Polignac number, because 7868057 - 2² = 7868053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7868051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934028 + 3934029.

It is an arithmetic number, because the mean of its divisors is an integer number (3934029).

Almost surely, 2^7868057 is an apocalyptic number.

It is an amenable number.

7868057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868057 is an equidigital number, since it uses as much as digits as its factorization.

7868057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 7868057 is about 2805.0057040940. The cubic root of 7868057 is about 198.8943742209.

The spelling of 7868057 in words is "seven million, eight hundred sixty-eight thousand, fifty-seven".