63441867 has 4 divisors (see below), whose sum is σ = 84589160. Its totient is φ = 42294576.

The previous prime is 63441863. The next prime is 63441871. The reversal of 63441867 is 76814436.

63441867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63441863) and next prime (63441871).

It is not a de Polignac number, because 63441867 - 2² = 63441863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63441863) 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 3 ways as a sum of consecutive naturals, for example, 10573642 + ... + 10573647.

It is an arithmetic number, because the mean of its divisors is an integer number (21147290).

Almost surely, 2^63441867 is an apocalyptic number.

63441867 is a deficient number, since it is larger than the sum of its proper divisors (21147293).

63441867 is a wasteful number, since it uses less digits than its factorization.

63441867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21147292.

The product of its digits is 96768, while the sum is 39.

The square root of 63441867 is about 7965.0403012163. The cubic root of 63441867 is about 398.8338263181.

The spelling of 63441867 in words is "sixty-three million, four hundred forty-one thousand, eight hundred sixty-seven".