117944087 has 2 divisors, whose sum is σ = 117944088. Its totient is φ = 117944086.

The previous prime is 117944083. The next prime is 117944093. The reversal of 117944087 is 780449711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117944087 - 2² = 117944083 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 (117944081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58972043 + 58972044.

It is an arithmetic number, because the mean of its divisors is an integer number (58972044).

Almost surely, 2^117944087 is an apocalyptic number.

117944087 is a deficient number, since it is larger than the sum of its proper divisors (1).

117944087 is an equidigital number, since it uses as much as digits as its factorization.

117944087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 117944087 is about 10860.2065818289. The cubic root of 117944087 is about 490.4093303221.

The spelling of 117944087 in words is "one hundred seventeen million, nine hundred forty-four thousand, eighty-seven".