117637271 has 2 divisors, whose sum is σ = 117637272. Its totient is φ = 117637270.

The previous prime is 117637243. The next prime is 117637283. The reversal of 117637271 is 172736711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117637271 - 2¹⁰ = 117636247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117637771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58818635 + 58818636.

It is an arithmetic number, because the mean of its divisors is an integer number (58818636).

Almost surely, 2^117637271 is an apocalyptic number.

117637271 is a deficient number, since it is larger than the sum of its proper divisors (1).

117637271 is an equidigital number, since it uses as much as digits as its factorization.

117637271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 35.

The square root of 117637271 is about 10846.0716851771. The cubic root of 117637271 is about 489.9837159659.

The spelling of 117637271 in words is "one hundred seventeen million, six hundred thirty-seven thousand, two hundred seventy-one".