63881327 has 8 divisors (see below), whose sum is σ = 67599360. Its totient is φ = 60241720.

The previous prime is 63881299. The next prime is 63881333. The reversal of 63881327 is 72318836.

It is a happy number.

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 63881327 - 2⁸ = 63881071 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 (63881357) 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, 17927 + ... + 21192.

It is an arithmetic number, because the mean of its divisors is an integer number (8449920).

Almost surely, 2^63881327 is an apocalyptic number.

63881327 is a deficient number, since it is larger than the sum of its proper divisors (3718033).

63881327 is a wasteful number, since it uses less digits than its factorization.

63881327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39213.

The product of its digits is 48384, while the sum is 38.

The square root of 63881327 is about 7992.5794960075. The cubic root of 63881327 is about 399.7526116123.

The spelling of 63881327 in words is "sixty-three million, eight hundred eighty-one thousand, three hundred twenty-seven".