117283538 has 4 divisors (see below), whose sum is σ = 175925310. Its totient is φ = 58641768.

The previous prime is 117283501. The next prime is 117283549. The reversal of 117283538 is 835382711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835382711 = 59 ⋅14159029.

It can be written as a sum of positive squares in only one way, i.e., 103571329 + 13712209 = 10177^2 + 3703^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29320883 + ... + 29320886.

Almost surely, 2^117283538 is an apocalyptic number.

117283538 is a deficient number, since it is larger than the sum of its proper divisors (58641772).

117283538 is an equidigital number, since it uses as much as digits as its factorization.

117283538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58641771.

The product of its digits is 40320, while the sum is 38.

The square root of 117283538 is about 10829.7524440774. The cubic root of 117283538 is about 489.4920990210.

The spelling of 117283538 in words is "one hundred seventeen million, two hundred eighty-three thousand, five hundred thirty-eight".