63852771858912 has 96 divisors (see below), whose sum is σ = 186250078092960. Its totient is φ = 21282791362560.

The previous prime is 63852771858877. The next prime is 63852771858923. The reversal of 63852771858912 is 21985817725836.

63852771858912 is a `hidden beast` number, since 6 + 3 + 8 + 5 + 27 + 7 + 1 + 8 + 589 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

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, 10042978 + ... + 15118430.

It is an arithmetic number, because the mean of its divisors is an integer number (1940104980135).

Almost surely, 2^{63852771858912} is an apocalyptic number.

It is an amenable number.

63852771858912 is an abundant number, since it is smaller than the sum of its proper divisors (122397306234048).

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

63852771858912 is a wasteful number, since it uses less digits than its factorization.

63852771858912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090033 (or 5090019 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 72.

The spelling of 63852771858912 in words is "sixty-three trillion, eight hundred fifty-two billion, seven hundred seventy-one million, eight hundred fifty-eight thousand, nine hundred twelve".