113985663 has 16 divisors (see below), whose sum is σ = 175550976. Its totient is φ = 65018240.

The previous prime is 113985661. The next prime is 113985719. The reversal of 113985663 is 366589311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113985663 - 2¹ = 113985661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113985661) 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, 101031 + ... + 102152.

It is an arithmetic number, because the mean of its divisors is an integer number (10971936).

Almost surely, 2^113985663 is an apocalyptic number.

113985663 is a deficient number, since it is larger than the sum of its proper divisors (61565313).

113985663 is a wasteful number, since it uses less digits than its factorization.

113985663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203214.

The product of its digits is 116640, while the sum is 42.

The square root of 113985663 is about 10676.4068393819. The cubic root of 113985663 is about 484.8604310200.

The spelling of 113985663 in words is "one hundred thirteen million, nine hundred eighty-five thousand, six hundred sixty-three".