117276997 has 4 divisors (see below), whose sum is σ = 117501760. Its totient is φ = 117052236.

The previous prime is 117276983. The next prime is 117277009. The reversal of 117276997 is 799672711.

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: 799672711 = 47 ⋅17014313.

It is a cyclic number.

It is not a de Polignac number, because 117276997 - 2¹⁵ = 117244229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117276997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117276947) 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, 111597 + ... + 112642.

It is an arithmetic number, because the mean of its divisors is an integer number (29375440).

Almost surely, 2^117276997 is an apocalyptic number.

It is an amenable number.

117276997 is a deficient number, since it is larger than the sum of its proper divisors (224763).

117276997 is an equidigital number, since it uses as much as digits as its factorization.

117276997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224762.

The product of its digits is 333396, while the sum is 49.

The square root of 117276997 is about 10829.4504477374. The cubic root of 117276997 is about 489.4829990586.

The spelling of 117276997 in words is "one hundred seventeen million, two hundred seventy-six thousand, nine hundred ninety-seven".