117803287 has 16 divisors (see below), whose sum is σ = 142248960. Its totient is φ = 95301792.

The previous prime is 117803243. The next prime is 117803293. The reversal of 117803287 is 782308711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117803287 is a prime.

It is a super-2 number, since 2×117803287² = 27755228856008738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117803087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37458 + ... + 40480.

It is an arithmetic number, because the mean of its divisors is an integer number (8890560).

Almost surely, 2^117803287 is an apocalyptic number.

117803287 is a deficient number, since it is larger than the sum of its proper divisors (24445673).

117803287 is a wasteful number, since it uses less digits than its factorization.

117803287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 117803287 is about 10853.7222647348. The cubic root of 117803287 is about 490.2141046844.

The spelling of 117803287 in words is "one hundred seventeen million, eight hundred three thousand, two hundred eighty-seven".