117788071 has 2 divisors, whose sum is σ = 117788072. Its totient is φ = 117788070.

The previous prime is 117788059. The next prime is 117788081. The reversal of 117788071 is 170887711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117788071 - 2¹⁵ = 117755303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117788081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58894035 + 58894036.

It is an arithmetic number, because the mean of its divisors is an integer number (58894036).

Almost surely, 2^117788071 is an apocalyptic number.

117788071 is a deficient number, since it is larger than the sum of its proper divisors (1).

117788071 is an equidigital number, since it uses as much as digits as its factorization.

117788071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 40.

The square root of 117788071 is about 10853.0212844166. The cubic root of 117788071 is about 490.1929976928.

The spelling of 117788071 in words is "one hundred seventeen million, seven hundred eighty-eight thousand, seventy-one".