8661063 has 4 divisors (see below), whose sum is σ = 11548088. Its totient is φ = 5774040.

The previous prime is 8661061. The next prime is 8661089. The reversal of 8661063 is 3601668.

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

It is not a de Polignac number, because 8661063 - 2¹ = 8661061 is a prime.

It is a Duffinian number.

8661063 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8661063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8661061) 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, 1443508 + ... + 1443513.

It is an arithmetic number, because the mean of its divisors is an integer number (2887022).

Almost surely, 2^8661063 is an apocalyptic number.

8661063 is a deficient number, since it is larger than the sum of its proper divisors (2887025).

8661063 is a wasteful number, since it uses less digits than its factorization.

8661063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887024.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 8661063 is about 2942.9683994226. The cubic root of 8661063 is about 205.3637246881.

The spelling of 8661063 in words is "eight million, six hundred sixty-one thousand, sixty-three".