63834528628 has 48 divisors (see below), whose sum is σ = 123256353024. Its totient is φ = 28747514880.

The previous prime is 63834528613. The next prime is 63834528631. The reversal of 63834528628 is 82682543836.

It is a happy number.

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, 269001 + ... + 447247.

It is an arithmetic number, because the mean of its divisors is an integer number (2567840688).

Almost surely, 2^63834528628 is an apocalyptic number.

It is an amenable number.

63834528628 is a deficient number, since it is larger than the sum of its proper divisors (59421824396).

63834528628 is a wasteful number, since it uses less digits than its factorization.

63834528628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178432 (or 178430 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 55.

The spelling of 63834528628 in words is "sixty-three billion, eight hundred thirty-four million, five hundred twenty-eight thousand, six hundred twenty-eight".