28626385896 has 48 divisors (see below), whose sum is σ = 77723214660. Its totient is φ = 9518323200.

The previous prime is 28626385889. The next prime is 28626385933. The reversal of 28626385896 is 69858362682.

28626385896 is a `hidden beast` number, since 28 + 6 + 26 + 3 + 8 + 589 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22653260100 + 5973125796 = 150510^2 + 77286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466875 + ... + 524618.

Almost surely, 2^28626385896 is an apocalyptic number.

It is an amenable number.

28626385896 is an abundant number, since it is smaller than the sum of its proper divisors (49096828764).

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

28626385896 is a wasteful number, since it uses less digits than its factorization.

28626385896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991906 (or 991899 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 28626385896 in words is "twenty-eight billion, six hundred twenty-six million, three hundred eighty-five thousand, eight hundred ninety-six".