63828320844 has 12 divisors (see below), whose sum is σ = 148932748664. Its totient is φ = 21276106944.

The previous prime is 63828320837. The next prime is 63828320851. The reversal of 63828320844 is 44802382836.

It is an interprime number because it is at equal distance from previous prime (63828320837) and next prime (63828320851).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63828320793 and 63828320802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659513357 + ... + 2659513380.

Almost surely, 2^63828320844 is an apocalyptic number.

It is an amenable number.

63828320844 is an abundant number, since it is smaller than the sum of its proper divisors (85104427820).

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

63828320844 is a wasteful number, since it uses less digits than its factorization.

63828320844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319026744 (or 5319026742 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 63828320844 in words is "sixty-three billion, eight hundred twenty-eight million, three hundred twenty thousand, eight hundred forty-four".