83866003 has 4 divisors (see below), whose sum is σ = 90317248. Its totient is φ = 77414760.

The previous prime is 83865989. The next prime is 83866009. The reversal of 83866003 is 30066838.

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 83866003 - 2²⁵ = 50311571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83866003.

It is not an unprimeable number, because it can be changed into a prime (83866009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225603 + ... + 3225628.

It is an arithmetic number, because the mean of its divisors is an integer number (22579312).

Almost surely, 2^83866003 is an apocalyptic number.

83866003 is a deficient number, since it is larger than the sum of its proper divisors (6451245).

83866003 is a wasteful number, since it uses less digits than its factorization.

83866003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451244.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 83866003 is about 9157.8383366382. The cubic root of 83866003 is about 437.7189160732.

The spelling of 83866003 in words is "eighty-three million, eight hundred sixty-six thousand, three".