879894930679 has 2 divisors, whose sum is σ = 879894930680. Its totient is φ = 879894930678.

The previous prime is 879894930643. The next prime is 879894930727. The reversal of 879894930679 is 976039498978.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-879894930679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 879894930599 and 879894930608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879894930619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439947465339 + 439947465340.

It is an arithmetic number, because the mean of its divisors is an integer number (439947465340).

Almost surely, 2^879894930679 is an apocalyptic number.

879894930679 is a deficient number, since it is larger than the sum of its proper divisors (1).

879894930679 is an equidigital number, since it uses as much as digits as its factorization.

879894930679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481421312, while the sum is 79.

The spelling of 879894930679 in words is "eight hundred seventy-nine billion, eight hundred ninety-four million, nine hundred thirty thousand, six hundred seventy-nine".