117416279 has 2 divisors, whose sum is σ = 117416280. Its totient is φ = 117416278.

The previous prime is 117416249. The next prime is 117416287. The reversal of 117416279 is 972614711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117416279 - 2¹⁶ = 117350743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117416209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58708139 + 58708140.

It is an arithmetic number, because the mean of its divisors is an integer number (58708140).

Almost surely, 2^117416279 is an apocalyptic number.

117416279 is a deficient number, since it is larger than the sum of its proper divisors (1).

117416279 is an equidigital number, since it uses as much as digits as its factorization.

117416279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 117416279 is about 10835.8792444361. The cubic root of 117416279 is about 489.6766977412.

The spelling of 117416279 in words is "one hundred seventeen million, four hundred sixteen thousand, two hundred seventy-nine".