117284679 has 24 divisors (see below), whose sum is σ = 176222592. Its totient is φ = 77951160.

The previous prime is 117284669. The next prime is 117284719. The reversal of 117284679 is 976482711.

It is a happy number.

It is not a de Polignac number, because 117284679 - 2⁷ = 117284551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117284669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118822 + ... + 119804.

It is an arithmetic number, because the mean of its divisors is an integer number (7342608).

Almost surely, 2^117284679 is an apocalyptic number.

117284679 is a deficient number, since it is larger than the sum of its proper divisors (58937913).

117284679 is an frugal number, since it uses more digits than its factorization.

117284679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1477 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 117284679 is about 10829.8051229004. The cubic root of 117284679 is about 489.4936863670.

The spelling of 117284679 in words is "one hundred seventeen million, two hundred eighty-four thousand, six hundred seventy-nine".