63881030 has 16 divisors (see below), whose sum is σ = 116871984. Its totient is φ = 25133280.

The previous prime is 63881009. The next prime is 63881039. The reversal of 63881030 is 3018836.

It is a junction number, because it is equal to n+sod(n) for n = 63880984 and 63881002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63881039) 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, 51752 + ... + 52971.

It is an arithmetic number, because the mean of its divisors is an integer number (7304499).

Almost surely, 2^63881030 is an apocalyptic number.

63881030 is a deficient number, since it is larger than the sum of its proper divisors (52990954).

63881030 is a wasteful number, since it uses less digits than its factorization.

63881030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104791.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 63881030 is about 7992.5609162521. The cubic root of 63881030 is about 399.7519920953.

Adding to 63881030 its reverse (3018836), we get a palindrome (66899866).

The spelling of 63881030 in words is "sixty-three million, eight hundred eighty-one thousand, thirty".