117161277 has 32 divisors (see below), whose sum is σ = 171419520. Its totient is φ = 70917120.

The previous prime is 117161273. The next prime is 117161279. The reversal of 117161277 is 772161711.

It is not a de Polignac number, because 117161277 - 2² = 117161273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117161273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153577 + ... + 154337.

It is an arithmetic number, because the mean of its divisors is an integer number (5356860).

Almost surely, 2^117161277 is an apocalyptic number.

It is an amenable number.

117161277 is a deficient number, since it is larger than the sum of its proper divisors (54258243).

117161277 is a wasteful number, since it uses less digits than its factorization.

117161277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its digits is 4116, while the sum is 33.

The square root of 117161277 is about 10824.1062910524. The cubic root of 117161277 is about 489.3219512412.

The spelling of 117161277 in words is "one hundred seventeen million, one hundred sixty-one thousand, two hundred seventy-seven".