63828688578 has 64 divisors (see below), whose sum is σ = 134918784000. Its totient is φ = 20075235264.

The previous prime is 63828688501. The next prime is 63828688633. The reversal of 63828688578 is 87588682836.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44665968 + ... + 44667396.

It is an arithmetic number, because the mean of its divisors is an integer number (2108106000).

Almost surely, 2^63828688578 is an apocalyptic number.

63828688578 is an abundant number, since it is smaller than the sum of its proper divisors (71090095422).

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

63828688578 is a wasteful number, since it uses less digits than its factorization.

63828688578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its digits is 247726080, while the sum is 69.

The spelling of 63828688578 in words is "sixty-three billion, eight hundred twenty-eight million, six hundred eighty-eight thousand, five hundred seventy-eight".