117229686 has 16 divisors (see below), whose sum is σ = 267953664. Its totient is φ = 33494184.

The previous prime is 117229669. The next prime is 117229711. The reversal of 117229686 is 686922711.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2791183 = 117229686 / (1 + 1 + 7 + 2 + 2 + 9 + 6 + 8 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395550 + ... + 1395633.

It is an arithmetic number, because the mean of its divisors is an integer number (16747104).

Almost surely, 2^117229686 is an apocalyptic number.

117229686 is an abundant number, since it is smaller than the sum of its proper divisors (150723978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117229686 is a wasteful number, since it uses less digits than its factorization.

117229686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791195.

The product of its digits is 72576, while the sum is 42.

The square root of 117229686 is about 10827.2658598558. The cubic root of 117229686 is about 489.4171690279.

The spelling of 117229686 in words is "one hundred seventeen million, two hundred twenty-nine thousand, six hundred eighty-six".