117282447 has 6 divisors (see below), whose sum is σ = 169407992. Its totient is φ = 78188292.

The previous prime is 117282419. The next prime is 117282449. The reversal of 117282447 is 744282711.

It is not a de Polignac number, because 117282447 - 2¹⁸ = 117020303 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 (117282449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6515683 + ... + 6515700.

Almost surely, 2^117282447 is an apocalyptic number.

117282447 is a deficient number, since it is larger than the sum of its proper divisors (52125545).

117282447 is a wasteful number, since it uses less digits than its factorization.

117282447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031389 (or 13031386 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 117282447 is about 10829.7020734644. The cubic root of 117282447 is about 489.4905812248.

The spelling of 117282447 in words is "one hundred seventeen million, two hundred eighty-two thousand, four hundred forty-seven".