7875667 has 2 divisors, whose sum is σ = 7875668. Its totient is φ = 7875666.

The previous prime is 7875661. The next prime is 7875697. The reversal of 7875667 is 7665787.

It is a weak prime.

It is an emirp because it is prime and its reverse (7665787) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7875667 is a prime.

It is a super-2 number, since 2×7875667² = 124052261389778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7875661) 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, 3937833 + 3937834.

It is an arithmetic number, because the mean of its divisors is an integer number (3937834).

Almost surely, 2^7875667 is an apocalyptic number.

7875667 is a deficient number, since it is larger than the sum of its proper divisors (1).

7875667 is an equidigital number, since it uses as much as digits as its factorization.

7875667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 46.

The square root of 7875667 is about 2806.3618797297. The cubic root of 7875667 is about 198.9584772334.

The spelling of 7875667 in words is "seven million, eight hundred seventy-five thousand, six hundred sixty-seven".