63901280 has 48 divisors (see below), whose sum is σ = 153062784. Its totient is φ = 25205760.

The previous prime is 63901273. The next prime is 63901289. The reversal of 63901280 is 8210936.

63901280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63901289) 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, 8945 + ... + 14415.

It is an arithmetic number, because the mean of its divisors is an integer number (3188808).

Almost surely, 2^63901280 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 63901280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76531392).

63901280 is an abundant number, since it is smaller than the sum of its proper divisors (89161504).

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

63901280 is a wasteful number, since it uses less digits than its factorization.

63901280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559 (or 5551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 63901280 is about 7993.8276188569. The cubic root of 63901280 is about 399.7942274957.

The spelling of 63901280 in words is "sixty-three million, nine hundred one thousand, two hundred eighty".