63679788480 has 448 divisors, whose sum is σ = 257231692800. Its totient is φ = 13231411200.

The previous prime is 63679788467. The next prime is 63679788481. The reversal of 63679788480 is 8488797636.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63679788481) 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 63 ways as a sum of consecutive naturals, for example, 3613290 + ... + 3630870.

Almost surely, 2^63679788480 is an apocalyptic number.

63679788480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63679788480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128615846400).

63679788480 is an abundant number, since it is smaller than the sum of its proper divisors (193551904320).

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

63679788480 is a wasteful number, since it uses less digits than its factorization.

63679788480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17633 (or 17609 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 63679788480 in words is "sixty-three billion, six hundred seventy-nine million, seven hundred eighty-eight thousand, four hundred eighty".