63879 has 8 divisors (see below), whose sum is σ = 86400. Its totient is φ = 41976.

The previous prime is 63863. The next prime is 63901. The reversal of 63879 is 97836.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63879 - 2⁴ = 63863 is a prime.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2⁶³⁸⁷⁹ is an apocalyptic number.

63879 is a deficient number, since it is larger than the sum of its proper divisors (22521).

63879 is a wasteful number, since it uses less digits than its factorization.

63879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 9072, while the sum is 33.

The square root of 63879 is about 252.7429524240. The cubic root of 63879 is about 39.9747757635.

It can be divided in two parts, 638 and 79, that added together give a palindrome (717).

The spelling of 63879 in words is "sixty-three thousand, eight hundred seventy-nine".