28435708888 has 8 divisors (see below), whose sum is σ = 53316954180. Its totient is φ = 14217854440.

The previous prime is 28435708871. The next prime is 28435708909. The reversal of 28435708888 is 88880753482.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1777231798 + ... + 1777231813.

Almost surely, 2^28435708888 is an apocalyptic number.

It is an amenable number.

28435708888 is a deficient number, since it is larger than the sum of its proper divisors (24881245292).

28435708888 is a wasteful number, since it uses less digits than its factorization.

28435708888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554463617 (or 3554463613 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 61.

The spelling of 28435708888 in words is "twenty-eight billion, four hundred thirty-five million, seven hundred eight thousand, eight hundred eighty-eight".