63667113 has 4 divisors (see below), whose sum is σ = 84889488. Its totient is φ = 42444740.

The previous prime is 63667099. The next prime is 63667141. The reversal of 63667113 is 31176636.

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 not a de Polignac number, because 63667113 - 2⁹ = 63666601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63667183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10611183 + ... + 10611188.

It is an arithmetic number, because the mean of its divisors is an integer number (21222372).

Almost surely, 2^63667113 is an apocalyptic number.

It is an amenable number.

63667113 is a deficient number, since it is larger than the sum of its proper divisors (21222375).

63667113 is a wasteful number, since it uses less digits than its factorization.

63667113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222374.

The product of its digits is 13608, while the sum is 33.

The square root of 63667113 is about 7979.1674377719. The cubic root of 63667113 is about 399.3052795239.

The spelling of 63667113 in words is "sixty-three million, six hundred sixty-seven thousand, one hundred thirteen".