63284969780 has 24 divisors (see below), whose sum is σ = 133137056808. Its totient is φ = 25268536448.

The previous prime is 63284969723. The next prime is 63284969843. The reversal of 63284969780 is 8796948236.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1544647204 + 61740322576 = 39302^2 + 248476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829299 + ... + 2851578.

It is an arithmetic number, because the mean of its divisors is an integer number (5547377367).

Almost surely, 2^63284969780 is an apocalyptic number.

It is an amenable number.

63284969780 is an abundant number, since it is smaller than the sum of its proper divisors (69852087028).

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

63284969780 is a wasteful number, since it uses less digits than its factorization.

63284969780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681443 (or 5681441 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 63284969780 in words is "sixty-three billion, two hundred eighty-four million, nine hundred sixty-nine thousand, seven hundred eighty".