7951667 has 2 divisors, whose sum is σ = 7951668. Its totient is φ = 7951666.

The previous prime is 7951639. The next prime is 7951679. The reversal of 7951667 is 7661597.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7951667 - 2¹⁴ = 7935283 is a prime.

It is not a weakly prime, because it can be changed into another prime (7951687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3975833 + 3975834.

It is an arithmetic number, because the mean of its divisors is an integer number (3975834).

Almost surely, 2^7951667 is an apocalyptic number.

7951667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7951667 is an equidigital number, since it uses as much as digits as its factorization.

7951667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 7951667 is about 2819.8700324660. The cubic root of 7951667 is about 199.5964111279.

The spelling of 7951667 in words is "seven million, nine hundred fifty-one thousand, six hundred sixty-seven".