679127 has 2 divisors, whose sum is σ = 679128. Its totient is φ = 679126.

The previous prime is 679123. The next prime is 679153. The reversal of 679127 is 721976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679127 - 2² = 679123 is a prime.

It is a super-2 number, since 2×679127² = 922426964258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679093 and 679102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339563 + 339564.

It is an arithmetic number, because the mean of its divisors is an integer number (339564).

2⁶⁷⁹¹²⁷ is an apocalyptic number.

679127 is a deficient number, since it is larger than the sum of its proper divisors (1).

679127 is an equidigital number, since it uses as much as digits as its factorization.

679127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 679127 is about 824.0916211199. The cubic root of 679127 is about 87.8989456383.

Subtracting 679127 from its reverse (721976), we obtain a square (42849 = 207²).

The spelling of 679127 in words is "six hundred seventy-nine thousand, one hundred twenty-seven".