63388963 has 8 divisors (see below), whose sum is σ = 69230016. Its totient is φ = 57561000.

The previous prime is 63388961. The next prime is 63388979. The reversal of 63388963 is 36988336.

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 63388963 - 2¹ = 63388961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63388961) 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, 8820 + ... + 14302.

It is an arithmetic number, because the mean of its divisors is an integer number (8653752).

Almost surely, 2^63388963 is an apocalyptic number.

63388963 is a deficient number, since it is larger than the sum of its proper divisors (5841053).

63388963 is a wasteful number, since it uses less digits than its factorization.

63388963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545.

The product of its digits is 559872, while the sum is 46.

The square root of 63388963 is about 7961.7185958812. The cubic root of 63388963 is about 398.7229333410.

The spelling of 63388963 in words is "sixty-three million, three hundred eighty-eight thousand, nine hundred sixty-three".