117258679 has 4 divisors (see below), whose sum is σ = 118045800. Its totient is φ = 116471560.

The previous prime is 117258649. The next prime is 117258683. The reversal of 117258679 is 976852711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976852711 = 23 ⋅42471857.

It is a cyclic number.

It is not a de Polignac number, because 117258679 - 2⁷ = 117258551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117258649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393337 + ... + 393634.

It is an arithmetic number, because the mean of its divisors is an integer number (29511450).

Almost surely, 2^117258679 is an apocalyptic number.

117258679 is a deficient number, since it is larger than the sum of its proper divisors (787121).

117258679 is an equidigital number, since it uses as much as digits as its factorization.

117258679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787120.

The product of its digits is 211680, while the sum is 46.

The square root of 117258679 is about 10828.6046654220. The cubic root of 117258679 is about 489.4575129114.

The spelling of 117258679 in words is "one hundred seventeen million, two hundred fifty-eight thousand, six hundred seventy-nine".