117936919 has 2 divisors, whose sum is σ = 117936920. Its totient is φ = 117936918.

The previous prime is 117936887. The next prime is 117936943. The reversal of 117936919 is 919639711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117936919 - 2⁵ = 117936887 is a prime.

It is a super-2 number, since 2×117936919² = 27818233726425122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117936979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58968459 + 58968460.

It is an arithmetic number, because the mean of its divisors is an integer number (58968460).

Almost surely, 2^117936919 is an apocalyptic number.

117936919 is a deficient number, since it is larger than the sum of its proper divisors (1).

117936919 is an equidigital number, since it uses as much as digits as its factorization.

117936919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 46.

The square root of 117936919 is about 10859.8765646760. The cubic root of 117936919 is about 490.3993953170.

The spelling of 117936919 in words is "one hundred seventeen million, nine hundred thirty-six thousand, nine hundred nineteen".