711678659 has 2 divisors, whose sum is σ = 711678660. Its totient is φ = 711678658.

The previous prime is 711678637. The next prime is 711678661. The reversal of 711678659 is 956876117.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-711678659 is a prime.

Together with 711678661, 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 (711678619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355839329 + 355839330.

It is an arithmetic number, because the mean of its divisors is an integer number (355839330).

Almost surely, 2^711678659 is an apocalyptic number.

711678659 is a deficient number, since it is larger than the sum of its proper divisors (1).

711678659 is an equidigital number, since it uses as much as digits as its factorization.

711678659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 50.

The square root of 711678659 is about 26677.3060671425. The cubic root of 711678659 is about 892.8146631669.

The spelling of 711678659 in words is "seven hundred eleven million, six hundred seventy-eight thousand, six hundred fifty-nine".