63779 has 8 divisors (see below), whose sum is σ = 69120. Its totient is φ = 58696.

The previous prime is 63773. The next prime is 63781. The reversal of 63779 is 97736.

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

It is a de Polignac number, because none of the positive numbers 2^k-63779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63773) 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, 1052 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2⁶³⁷⁷⁹ is an apocalyptic number.

63779 is a deficient number, since it is larger than the sum of its proper divisors (5341).

63779 is a wasteful number, since it uses less digits than its factorization.

63779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129.

The product of its digits is 7938, while the sum is 32.

The square root of 63779 is about 252.5450454869. The cubic root of 63779 is about 39.9539052356.

Adding to 63779 its product of digits (7938), we get a palindrome (71717).

The spelling of 63779 in words is "sixty-three thousand, seven hundred seventy-nine".