63081408 has 112 divisors (see below), whose sum is σ = 182067200. Its totient is φ = 19160064.

The previous prime is 63081391. The next prime is 63081413. The reversal of 63081408 is 80418036.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316893 + ... + 317091.

It is an arithmetic number, because the mean of its divisors is an integer number (1625600).

Almost surely, 2^63081408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63081408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91033600).

63081408 is an abundant number, since it is smaller than the sum of its proper divisors (118985792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63081408 is a wasteful number, since it uses less digits than its factorization.

63081408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 63081408 is about 7942.3804995732. The cubic root of 63081408 is about 398.0770370140.

The spelling of 63081408 in words is "sixty-three million, eighty-one thousand, four hundred eight".