117089279 has 2 divisors, whose sum is σ = 117089280. Its totient is φ = 117089278.

The previous prime is 117089249. The next prime is 117089281. The reversal of 117089279 is 972980711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117089279 is a prime.

Together with 117089281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117089239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58544639 + 58544640.

It is an arithmetic number, because the mean of its divisors is an integer number (58544640).

Almost surely, 2^117089279 is an apocalyptic number.

117089279 is a deficient number, since it is larger than the sum of its proper divisors (1).

117089279 is an equidigital number, since it uses as much as digits as its factorization.

117089279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 117089279 is about 10820.7799626459. The cubic root of 117089279 is about 489.2216979216.

The spelling of 117089279 in words is "one hundred seventeen million, eighty-nine thousand, two hundred seventy-nine".