118597279 has 2 divisors, whose sum is σ = 118597280. Its totient is φ = 118597278.

The previous prime is 118597261. The next prime is 118597291. The reversal of 118597279 is 972795811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118597279 - 2¹³ = 118589087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118597579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59298639 + 59298640.

It is an arithmetic number, because the mean of its divisors is an integer number (59298640).

Almost surely, 2^118597279 is an apocalyptic number.

118597279 is a deficient number, since it is larger than the sum of its proper divisors (1).

118597279 is an equidigital number, since it uses as much as digits as its factorization.

118597279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 49.

The square root of 118597279 is about 10890.2377843645. The cubic root of 118597279 is about 491.3129842605.

The spelling of 118597279 in words is "one hundred eighteen million, five hundred ninety-seven thousand, two hundred seventy-nine".