63775330752 has 112 divisors (see below), whose sum is σ = 197548146432. Its totient is φ = 17777080320.

The previous prime is 63775330739. The next prime is 63775330777. The reversal of 63775330752 is 25703357736.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523578 + ... + 633785.

It is an arithmetic number, because the mean of its divisors is an integer number (1763822736).

Almost surely, 2^63775330752 is an apocalyptic number.

It is an amenable number.

63775330752 is an abundant number, since it is smaller than the sum of its proper divisors (133772815680).

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

63775330752 is a wasteful number, since it uses less digits than its factorization.

63775330752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157426 (or 1157416 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 48.

The spelling of 63775330752 in words is "sixty-three billion, seven hundred seventy-five million, three hundred thirty thousand, seven hundred fifty-two".