7868089 has 2 divisors, whose sum is σ = 7868090. Its totient is φ = 7868088.

The previous prime is 7868083. The next prime is 7868099. The reversal of 7868089 is 9808687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 64 = 2805^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 7868089 - 2⁵ = 7868057 is a prime.

It is not a weakly prime, because it can be changed into another prime (7868083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934044 + 3934045.

It is an arithmetic number, because the mean of its divisors is an integer number (3934045).

Almost surely, 2^7868089 is an apocalyptic number.

It is an amenable number.

7868089 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868089 is an equidigital number, since it uses as much as digits as its factorization.

7868089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 7868089 is about 2805.0114081764. The cubic root of 7868089 is about 198.8946438602.

The spelling of 7868089 in words is "seven million, eight hundred sixty-eight thousand, eighty-nine".