117644283 has 12 divisors (see below), whose sum is σ = 171979080. Its totient is φ = 77484096.

The previous prime is 117644281. The next prime is 117644299. The reversal of 117644283 is 382446711.

117644283 is a `hidden beast` number, since 1 + 1 + 7 + 644 + 2 + 8 + 3 = 666.

It is not a de Polignac number, because 117644283 - 2¹ = 117644281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117644281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77998 + ... + 79491.

It is an arithmetic number, because the mean of its divisors is an integer number (14331590).

Almost surely, 2^117644283 is an apocalyptic number.

117644283 is a deficient number, since it is larger than the sum of its proper divisors (54334797).

117644283 is a wasteful number, since it uses less digits than its factorization.

117644283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157578 (or 157575 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 117644283 is about 10846.3949310358. The cubic root of 117644283 is about 489.9934512522.

The spelling of 117644283 in words is "one hundred seventeen million, six hundred forty-four thousand, two hundred eighty-three".