63774873328 has 10 divisors (see below), whose sum is σ = 123563817104. Its totient is φ = 31887436656.

The previous prime is 63774873319. The next prime is 63774873343. The reversal of 63774873328 is 82337847736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992964776 + ... + 1992964807.

Almost surely, 2^63774873328 is an apocalyptic number.

It is an amenable number.

63774873328 is a deficient number, since it is larger than the sum of its proper divisors (59788943776).

63774873328 is a wasteful number, since it uses less digits than its factorization.

63774873328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985929591 (or 3985929585 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 58.

The spelling of 63774873328 in words is "sixty-three billion, seven hundred seventy-four million, eight hundred seventy-three thousand, three hundred twenty-eight".