16879863 has 72 divisors (see below), whose sum is σ = 31415664. Its totient is φ = 7983360.

The previous prime is 16879831. The next prime is 16879867. The reversal of 16879863 is 36897861.

It is not a de Polignac number, because 16879863 - 2⁵ = 16879831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16879867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 231195 + ... + 231267.

Almost surely, 2^16879863 is an apocalyptic number.

16879863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16879863 is a deficient number, since it is larger than the sum of its proper divisors (14535801).

16879863 is a wasteful number, since it uses less digits than its factorization.

16879863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 16879863 is about 4108.5110441619. The cubic root of 16879863 is about 256.5210284885.

It can be divided in two parts, 168798 and 63, that added together give a palindrome (168861).

The spelling of 16879863 in words is "sixteen million, eight hundred seventy-nine thousand, eight hundred sixty-three".