117761847229 has 4 divisors (see below), whose sum is σ = 126820450876. Its totient is φ = 108703243584.

The previous prime is 117761847223. The next prime is 117761847251. The reversal of 117761847229 is 922748167711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37175696100 + 80586151129 = 192810^2 + 283877^2 .

It is not a de Polignac number, because 117761847229 - 2²⁵ = 117728292797 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 117761847229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117761847223) 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, 4529301804 + ... + 4529301829.

It is an arithmetic number, because the mean of its divisors is an integer number (31705112719).

Almost surely, 2^117761847229 is an apocalyptic number.

It is an amenable number.

117761847229 is a deficient number, since it is larger than the sum of its proper divisors (9058603647).

117761847229 is an equidigital number, since it uses as much as digits as its factorization.

117761847229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9058603646.

The product of its digits is 2370816, while the sum is 55.

The spelling of 117761847229 in words is "one hundred seventeen billion, seven hundred sixty-one million, eight hundred forty-seven thousand, two hundred twenty-nine".