63877 has 4 divisors (see below), whose sum is σ = 69696. Its totient is φ = 58060.

The previous prime is 63863. The next prime is 63901. The reversal of 63877 is 77836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63877 is a prime.

It is a super-2 number, since 2×63877² = 8160542258, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63857) 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, 2893 + ... + 2914.

It is an arithmetic number, because the mean of its divisors is an integer number (17424).

2⁶³⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

63877 is a deficient number, since it is larger than the sum of its proper divisors (5819).

63877 is a wasteful number, since it uses less digits than its factorization.

63877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its digits is 7056, while the sum is 31.

The square root of 63877 is about 252.7389958040. The cubic root of 63877 is about 39.9743585664.

It can be divided in two parts, 6 and 3877, that added together give a palindrome (3883).

The spelling of 63877 in words is "sixty-three thousand, eight hundred seventy-seven".