63790557744 has 80 divisors (see below), whose sum is σ = 173770762880. Its totient is φ = 20108943360.

The previous prime is 63790557697. The next prime is 63790557811. The reversal of 63790557744 is 44775509736.

63790557744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459504 + ... + 582000.

It is an arithmetic number, because the mean of its divisors is an integer number (2172134536).

Almost surely, 2^63790557744 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 63790557744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86885381440).

63790557744 is an abundant number, since it is smaller than the sum of its proper divisors (109980205136).

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

63790557744 is a wasteful number, since it uses less digits than its factorization.

63790557744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123098 (or 123092 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 57.

It can be divided in two parts, 637905577 and 44, that added together give a triangular number (637905621 = T₃₅₇₁₈).

The spelling of 63790557744 in words is "sixty-three billion, seven hundred ninety million, five hundred fifty-seven thousand, seven hundred forty-four".