63867479 has 8 divisors (see below), whose sum is σ = 69162912. Its totient is φ = 58626720.

The previous prime is 63867473. The next prime is 63867497. The reversal of 63867479 is 97476836.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63867479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63867473) 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, 11219 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (8645364).

Almost surely, 2^63867479 is an apocalyptic number.

63867479 is a deficient number, since it is larger than the sum of its proper divisors (5295433).

63867479 is a wasteful number, since it uses less digits than its factorization.

63867479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27337.

The product of its digits is 1524096, while the sum is 50.

The square root of 63867479 is about 7991.7131455027. The cubic root of 63867479 is about 399.7237238059.

It can be divided in two parts, 63867 and 479, that added together give a palindrome (64346).

The spelling of 63867479 in words is "sixty-three million, eight hundred sixty-seven thousand, four hundred seventy-nine".