117692247 has 8 divisors (see below), whose sum is σ = 160572544. Its totient is φ = 76636728.

The previous prime is 117692243. The next prime is 117692287. The reversal of 117692247 is 742296711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117692247 - 2² = 117692243 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 (117692243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456043 + ... + 456300.

It is an arithmetic number, because the mean of its divisors is an integer number (20071568).

Almost surely, 2^117692247 is an apocalyptic number.

117692247 is a deficient number, since it is larger than the sum of its proper divisors (42880297).

117692247 is an equidigital number, since it uses as much as digits as its factorization.

117692247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912389.

The product of its digits is 42336, while the sum is 39.

The square root of 117692247 is about 10848.6057629541. The cubic root of 117692247 is about 490.0600329057.

The spelling of 117692247 in words is "one hundred seventeen million, six hundred ninety-two thousand, two hundred forty-seven".