63780475587642 has 96 divisors (see below), whose sum is σ = 159698153197440. Its totient is φ = 18181800207360.

The previous prime is 63780475587641. The next prime is 63780475587707. The reversal of 63780475587642 is 24678557408736.

63780475587642 is a `hidden beast` number, since 6 + 3 + 7 + 8 + 0 + 4 + 7 + 558 + 7 + 64 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (63780475587641) 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 47 ways as a sum of consecutive naturals, for example, 2496283 + ... + 11566865.

It is an arithmetic number, because the mean of its divisors is an integer number (1663522429140).

Almost surely, 2^{63780475587642} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63780475587642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79849076598720).

63780475587642 is an abundant number, since it is smaller than the sum of its proper divisors (95917677609798).

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

63780475587642 is a wasteful number, since it uses less digits than its factorization.

63780475587642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072708 (or 9072705 counting only the distinct ones).

The product of its (nonzero) digits is 1896652800, while the sum is 72.

The spelling of 63780475587642 in words is "sixty-three trillion, seven hundred eighty billion, four hundred seventy-five million, five hundred eighty-seven thousand, six hundred forty-two".