7870679 has 2 divisors, whose sum is σ = 7870680. Its totient is φ = 7870678.

The previous prime is 7870661. The next prime is 7870697. The reversal of 7870679 is 9760787.

Together with next prime (7870697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (7870661) and next prime (7870697).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7870679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7870619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3935339 + 3935340.

It is an arithmetic number, because the mean of its divisors is an integer number (3935340).

Almost surely, 2^7870679 is an apocalyptic number.

7870679 is a deficient number, since it is larger than the sum of its proper divisors (1).

7870679 is an equidigital number, since it uses as much as digits as its factorization.

7870679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 7870679 is about 2805.4730438912. The cubic root of 7870679 is about 198.9164653645.

The spelling of 7870679 in words is "seven million, eight hundred seventy thousand, six hundred seventy-nine".