679087 has 2 divisors, whose sum is σ = 679088. Its totient is φ = 679086.

The previous prime is 679067. The next prime is 679111. The reversal of 679087 is 780976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679087 - 2⁷ = 678959 is a prime.

It is a super-2 number, since 2×679087² = 922318307138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339543 + 339544.

It is an arithmetic number, because the mean of its divisors is an integer number (339544).

2⁶⁷⁹⁰⁸⁷ is an apocalyptic number.

679087 is a deficient number, since it is larger than the sum of its proper divisors (1).

679087 is an equidigital number, since it uses as much as digits as its factorization.

679087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 679087 is about 824.0673516164. The cubic root of 679087 is about 87.8972198801.

The spelling of 679087 in words is "six hundred seventy-nine thousand, eighty-seven".