63776413332 has 18 divisors (see below), whose sum is σ = 161212600458. Its totient is φ = 21258804432.

The previous prime is 63776413319. The next prime is 63776413369. The reversal of 63776413332 is 23331467736.

63776413332 is a `hidden beast` number, since 637 + 7 + 6 + 4 + 1 + 3 + 3 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56699229456 + 7077183876 = 238116^2 + 84126^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 885783483 + ... + 885783554.

It is an arithmetic number, because the mean of its divisors is an integer number (8956255581).

Almost surely, 2^63776413332 is an apocalyptic number.

It is an amenable number.

63776413332 is an abundant number, since it is smaller than the sum of its proper divisors (97436187126).

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

63776413332 is a wasteful number, since it uses less digits than its factorization.

63776413332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771567047 (or 1771567042 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 45.

The spelling of 63776413332 in words is "sixty-three billion, seven hundred seventy-six million, four hundred thirteen thousand, three hundred thirty-two".