7868079 has 12 divisors (see below), whose sum is σ = 11732032. Its totient is φ = 5076000.

The previous prime is 7868057. The next prime is 7868083. The reversal of 7868079 is 9708687.

It is not a de Polignac number, because 7868079 - 2⁸ = 7867823 is a prime.

It is a Duffinian number.

7868079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7868089) 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 in 11 ways as a sum of consecutive naturals, for example, 13822 + ... + 14379.

Almost surely, 2^7868079 is an apocalyptic number.

7868079 is a deficient number, since it is larger than the sum of its proper divisors (3863953).

7868079 is a wasteful number, since it uses less digits than its factorization.

7868079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28238 (or 28235 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 7868079 is about 2805.0096256519. The cubic root of 7868079 is about 198.8945595980.

The spelling of 7868079 in words is "seven million, eight hundred sixty-eight thousand, seventy-nine".