7885879 has 2 divisors, whose sum is σ = 7885880. Its totient is φ = 7885878.

The previous prime is 7885861. The next prime is 7885901. The reversal of 7885879 is 9785887.

It is a weak prime.

It is an emirp because it is prime and its reverse (9785887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7885879 - 2¹¹ = 7883831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7885819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3942939 + 3942940.

It is an arithmetic number, because the mean of its divisors is an integer number (3942940).

Almost surely, 2^7885879 is an apocalyptic number.

7885879 is a deficient number, since it is larger than the sum of its proper divisors (1).

7885879 is an equidigital number, since it uses as much as digits as its factorization.

7885879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 52.

The square root of 7885879 is about 2808.1807278023. The cubic root of 7885879 is about 199.0444334002.

The spelling of 7885879 in words is "seven million, eight hundred eighty-five thousand, eight hundred seventy-nine".