679277 has 2 divisors, whose sum is σ = 679278. Its totient is φ = 679276.

The previous prime is 679249. The next prime is 679279. The reversal of 679277 is 772976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 48841 = 794^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 679277 - 2¹⁰ = 678253 is a prime.

It is a super-2 number, since 2×679277² = 922834485458, which contains 22 as substring.

Together with 679279, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 679277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339638 + 339639.

It is an arithmetic number, because the mean of its divisors is an integer number (339639).

2⁶⁷⁹²⁷⁷ is an apocalyptic number.

It is an amenable number.

679277 is a deficient number, since it is larger than the sum of its proper divisors (1).

679277 is an equidigital number, since it uses as much as digits as its factorization.

679277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 38.

The square root of 679277 is about 824.1826253932. The cubic root of 679277 is about 87.9054166279.

The spelling of 679277 in words is "six hundred seventy-nine thousand, two hundred seventy-seven".