117524279 has 2 divisors, whose sum is σ = 117524280. Its totient is φ = 117524278.

The previous prime is 117524261. The next prime is 117524293. The reversal of 117524279 is 972425711.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (972425711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117524279 - 2⁸ = 117524023 is a prime.

It is equal to p_6708584 and since 117524279 and 6708584 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117524249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58762139 + 58762140.

It is an arithmetic number, because the mean of its divisors is an integer number (58762140).

Almost surely, 2^117524279 is an apocalyptic number.

117524279 is a deficient number, since it is larger than the sum of its proper divisors (1).

117524279 is an equidigital number, since it uses as much as digits as its factorization.

117524279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 117524279 is about 10840.8615432538. The cubic root of 117524279 is about 489.8267873127.

The spelling of 117524279 in words is "one hundred seventeen million, five hundred twenty-four thousand, two hundred seventy-nine".