63383478672 has 40 divisors (see below), whose sum is σ = 163786051744. Its totient is φ = 21121968384.

The previous prime is 63383478647. The next prime is 63383478679. The reversal of 63383478672 is 27687438336.

It is not an unprimeable number, because it can be changed into a prime (63383478679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6373 + ... + 356100.

Almost surely, 2^63383478672 is an apocalyptic number.

It is an amenable number.

63383478672 is an abundant number, since it is smaller than the sum of its proper divisors (100402573072).

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

63383478672 is a wasteful number, since it uses less digits than its factorization.

63383478672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366127 (or 366121 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 57.

The spelling of 63383478672 in words is "sixty-three billion, three hundred eighty-three million, four hundred seventy-eight thousand, six hundred seventy-two".