63881446 has 8 divisors (see below), whose sum is σ = 95857704. Its totient is φ = 31928880.

The previous prime is 63881443. The next prime is 63881473. The reversal of 63881446 is 64418836.

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

It is a junction number, because it is equal to n+sod(n) for n = 63881399 and 63881408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63881443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461 + ... + 12151.

It is an arithmetic number, because the mean of its divisors is an integer number (11982213).

Almost surely, 2^63881446 is an apocalyptic number.

63881446 is a deficient number, since it is larger than the sum of its proper divisors (31976258).

63881446 is a wasteful number, since it uses less digits than its factorization.

63881446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846.

The product of its digits is 110592, while the sum is 40.

The square root of 63881446 is about 7992.5869404092. The cubic root of 63881446 is about 399.7528598358.

The spelling of 63881446 in words is "sixty-three million, eight hundred eighty-one thousand, four hundred forty-six".