117356277 has 4 divisors (see below), whose sum is σ = 156475040. Its totient is φ = 78237516.

The previous prime is 117356269. The next prime is 117356299. The reversal of 117356277 is 772653711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 772653711 = 3 ⋅257551237.

It is not a de Polignac number, because 117356277 - 2³ = 117356269 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 (117356207) 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, 19559377 + ... + 19559382.

It is an arithmetic number, because the mean of its divisors is an integer number (39118760).

Almost surely, 2^117356277 is an apocalyptic number.

It is an amenable number.

117356277 is a deficient number, since it is larger than the sum of its proper divisors (39118763).

117356277 is an equidigital number, since it uses as much as digits as its factorization.

117356277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39118762.

The product of its digits is 61740, while the sum is 39.

The square root of 117356277 is about 10833.1102182153. The cubic root of 117356277 is about 489.5932720932.

The spelling of 117356277 in words is "one hundred seventeen million, three hundred fifty-six thousand, two hundred seventy-seven".