7966199 has 2 divisors, whose sum is σ = 7966200. Its totient is φ = 7966198.

The previous prime is 7966157. The next prime is 7966207. The reversal of 7966199 is 9916697.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7966199 - 2¹⁶ = 7900663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7966499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3983099 + 3983100.

It is an arithmetic number, because the mean of its divisors is an integer number (3983100).

Almost surely, 2^7966199 is an apocalyptic number.

7966199 is a deficient number, since it is larger than the sum of its proper divisors (1).

7966199 is an equidigital number, since it uses as much as digits as its factorization.

7966199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 47.

The square root of 7966199 is about 2822.4455707772. The cubic root of 7966199 is about 199.7179273622.

The spelling of 7966199 in words is "seven million, nine hundred sixty-six thousand, one hundred ninety-nine".