63881873 has 8 divisors (see below), whose sum is σ = 69938976. Its totient is φ = 57866400.

The previous prime is 63881827. The next prime is 63881891. The reversal of 63881873 is 37818836.

63881873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63881873 - 2¹⁴ = 63865489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63881803) 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 7 ways as a sum of consecutive naturals, for example, 7148 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (8742372).

Almost surely, 2^63881873 is an apocalyptic number.

It is an amenable number.

63881873 is a deficient number, since it is larger than the sum of its proper divisors (6057103).

63881873 is a wasteful number, since it uses less digits than its factorization.

63881873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20815.

The product of its digits is 193536, while the sum is 44.

The square root of 63881873 is about 7992.6136526170. The cubic root of 63881873 is about 399.7537505174.

The spelling of 63881873 in words is "sixty-three million, eight hundred eighty-one thousand, eight hundred seventy-three".