63884091 has 8 divisors (see below), whose sum is σ = 85231440. Its totient is φ = 42563072.

The previous prime is 63884063. The next prime is 63884123. The reversal of 63884091 is 19048836.

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

It is a cyclic number.

It is not a de Polignac number, because 63884091 - 2¹⁴ = 63867707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63884291) 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 7 ways as a sum of consecutive naturals, for example, 31 + ... + 11303.

It is an arithmetic number, because the mean of its divisors is an integer number (10653930).

Almost surely, 2^63884091 is an apocalyptic number.

63884091 is a deficient number, since it is larger than the sum of its proper divisors (21347349).

63884091 is a wasteful number, since it uses less digits than its factorization.

63884091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 63884091 is about 7992.7524045225. The cubic root of 63884091 is about 399.7583769919.

The spelling of 63884091 in words is "sixty-three million, eight hundred eighty-four thousand, ninety-one".