18879063 has 20 divisors (see below), whose sum is σ = 29376888. Its totient is φ = 10783920.

The previous prime is 18879053. The next prime is 18879071. The reversal of 18879063 is 36097881.

It is not a de Polignac number, because 18879063 - 2⁶ = 18878999 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18879053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5893 + ... + 8513.

Almost surely, 2^18879063 is an apocalyptic number.

18879063 is a deficient number, since it is larger than the sum of its proper divisors (10497825).

18879063 is an frugal number, since it uses more digits than its factorization.

18879063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 18879063 is about 4345.0043728401. The cubic root of 18879063 is about 266.2728041479.

The spelling of 18879063 in words is "eighteen million, eight hundred seventy-nine thousand, sixty-three".