679257611 has 2 divisors, whose sum is σ = 679257612. Its totient is φ = 679257610.

The previous prime is 679257547. The next prime is 679257613. The reversal of 679257611 is 116752976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679257611 - 2⁶ = 679257547 is a prime.

It is a super-2 number, since 2×679257611² = 922781804202854642, which contains 22 as substring.

Together with 679257613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (679257613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339628805 + 339628806.

It is an arithmetic number, because the mean of its divisors is an integer number (339628806).

Almost surely, 2^679257611 is an apocalyptic number.

679257611 is a deficient number, since it is larger than the sum of its proper divisors (1).

679257611 is an equidigital number, since it uses as much as digits as its factorization.

679257611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 679257611 is about 26062.5710742436. The cubic root of 679257611 is about 879.0458024136.

The spelling of 679257611 in words is "six hundred seventy-nine million, two hundred fifty-seven thousand, six hundred eleven".