117756671 has 4 divisors (see below), whose sum is σ = 124683552. Its totient is φ = 110829792.

The previous prime is 117756593. The next prime is 117756677. The reversal of 117756671 is 176657711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176657711 = 929 ⋅190159.

It is a cyclic number.

It is not a de Polignac number, because 117756671 - 2²² = 113562367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117756677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463415 + ... + 3463448.

It is an arithmetic number, because the mean of its divisors is an integer number (31170888).

Almost surely, 2^117756671 is an apocalyptic number.

117756671 is a deficient number, since it is larger than the sum of its proper divisors (6926881).

117756671 is an equidigital number, since it uses as much as digits as its factorization.

117756671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926880.

The product of its digits is 61740, while the sum is 41.

The square root of 117756671 is about 10851.5745862064. The cubic root of 117756671 is about 490.1494351940.

The spelling of 117756671 in words is "one hundred seventeen million, seven hundred fifty-six thousand, six hundred seventy-one".