63279399 has 8 divisors (see below), whose sum is σ = 84410752. Its totient is φ = 42167160.

The previous prime is 63279397. The next prime is 63279431. The reversal of 63279399 is 99397236.

63279399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 63279399 - 2¹ = 63279397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63279397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7344 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (10551344).

Almost surely, 2^63279399 is an apocalyptic number.

63279399 is a deficient number, since it is larger than the sum of its proper divisors (21131353).

63279399 is a wasteful number, since it uses less digits than its factorization.

63279399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557.

The product of its digits is 551124, while the sum is 48.

The square root of 63279399 is about 7954.8349448621. The cubic root of 63279399 is about 398.4930780110.

The spelling of 63279399 in words is "sixty-three million, two hundred seventy-nine thousand, three hundred ninety-nine".