63287478366 has 64 divisors (see below), whose sum is σ = 152767211520. Its totient is φ = 17074579680.

The previous prime is 63287478361. The next prime is 63287478367. The reversal of 63287478366 is 66387478236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63287478361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115821 + ... + 374151.

It is an arithmetic number, because the mean of its divisors is an integer number (2386987680).

Almost surely, 2^63287478366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63287478366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76383605760).

63287478366 is an abundant number, since it is smaller than the sum of its proper divisors (89479733154).

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

63287478366 is a wasteful number, since it uses less digits than its factorization.

63287478366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258669.

The product of its digits is 48771072, while the sum is 60.

The spelling of 63287478366 in words is "sixty-three billion, two hundred eighty-seven million, four hundred seventy-eight thousand, three hundred sixty-six".