117761297 has 4 divisors (see below), whose sum is σ = 123959280. Its totient is φ = 111563316.

The previous prime is 117761279. The next prime is 117761321. The reversal of 117761297 is 792167711.

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.

It is a cyclic number.

It is not a de Polignac number, because 117761297 - 2⁶ = 117761233 is a prime.

It is a super-2 number, since 2×117761297² = 27735446142244418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117761197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3098963 + ... + 3099000.

It is an arithmetic number, because the mean of its divisors is an integer number (30989820).

Almost surely, 2^117761297 is an apocalyptic number.

It is an amenable number.

117761297 is a deficient number, since it is larger than the sum of its proper divisors (6197983).

117761297 is an equidigital number, since it uses as much as digits as its factorization.

117761297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197982.

The product of its digits is 37044, while the sum is 41.

The square root of 117761297 is about 10851.7877329037. The cubic root of 117761297 is about 490.1558535186.

The spelling of 117761297 in words is "one hundred seventeen million, seven hundred sixty-one thousand, two hundred ninety-seven".