879969677 has 2 divisors, whose sum is σ = 879969678. Its totient is φ = 879969676.

The previous prime is 879969659. The next prime is 879969679. The reversal of 879969677 is 776969978.

879969677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 879359716 + 609961 = 29654^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 879969677 - 2⁶ = 879969613 is a prime.

Together with 879969679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879969679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439984838 + 439984839.

It is an arithmetic number, because the mean of its divisors is an integer number (439984839).

Almost surely, 2^879969677 is an apocalyptic number.

It is an amenable number.

879969677 is a deficient number, since it is larger than the sum of its proper divisors (1).

879969677 is an equidigital number, since it uses as much as digits as its factorization.

879969677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72013536, while the sum is 68.

The square root of 879969677 is about 29664.2828499190. The cubic root of 879969677 is about 958.2729644510.

The spelling of 879969677 in words is "eight hundred seventy-nine million, nine hundred sixty-nine thousand, six hundred seventy-seven".