83755663 has 4 divisors (see below), whose sum is σ = 83784888. Its totient is φ = 83726440.

The previous prime is 83755657. The next prime is 83755687. The reversal of 83755663 is 36655738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83755663 - 2⁹ = 83755151 is a prime.

It is a super-2 number, since 2×83755663² = 14030022169139138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83755643) 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, 9781 + ... + 16222.

It is an arithmetic number, because the mean of its divisors is an integer number (20946222).

Almost surely, 2^83755663 is an apocalyptic number.

83755663 is a deficient number, since it is larger than the sum of its proper divisors (29225).

83755663 is a wasteful number, since it uses less digits than its factorization.

83755663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29224.

The product of its digits is 453600, while the sum is 43.

The square root of 83755663 is about 9151.8120063734. The cubic root of 83755663 is about 437.5268672480.

The spelling of 83755663 in words is "eighty-three million, seven hundred fifty-five thousand, six hundred sixty-three".