63948784 has 30 divisors (see below), whose sum is σ = 128057280. Its totient is φ = 30935520.

The previous prime is 63948767. The next prime is 63948853. The reversal of 63948784 is 48784936.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13297 + ... + 17455.

It is an arithmetic number, because the mean of its divisors is an integer number (4268576).

Almost surely, 2^63948784 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 63948784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64028640).

63948784 is an abundant number, since it is smaller than the sum of its proper divisors (64108496).

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

63948784 is a wasteful number, since it uses less digits than its factorization.

63948784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229 (or 4192 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 63948784 is about 7996.7983593436. The cubic root of 63948784 is about 399.8932715251.

The spelling of 63948784 in words is "sixty-three million, nine hundred forty-eight thousand, seven hundred eighty-four".