117784253 has 4 divisors (see below), whose sum is σ = 117918528. Its totient is φ = 117649980.

The previous prime is 117784231. The next prime is 117784273. The reversal of 117784253 is 352487711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117784253 - 2¹⁶ = 117718717 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 (117784213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65813 + ... + 67578.

It is an arithmetic number, because the mean of its divisors is an integer number (29479632).

Almost surely, 2^117784253 is an apocalyptic number.

It is an amenable number.

117784253 is a deficient number, since it is larger than the sum of its proper divisors (134275).

117784253 is an equidigital number, since it uses as much as digits as its factorization.

117784253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134274.

The product of its digits is 47040, while the sum is 38.

The square root of 117784253 is about 10852.8453872706. The cubic root of 117784253 is about 490.1877012394.

The spelling of 117784253 in words is "one hundred seventeen million, seven hundred eighty-four thousand, two hundred fifty-three".