28476925788 has 12 divisors (see below), whose sum is σ = 66446160200. Its totient is φ = 9492308592.

The previous prime is 28476925787. The next prime is 28476925877. The reversal of 28476925788 is 88752967482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28476925783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186538563 + ... + 1186538586.

Almost surely, 2^28476925788 is an apocalyptic number.

It is an amenable number.

28476925788 is an abundant number, since it is smaller than the sum of its proper divisors (37969234412).

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

28476925788 is a wasteful number, since it uses less digits than its factorization.

28476925788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373077156 (or 2373077154 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 66.

The spelling of 28476925788 in words is "twenty-eight billion, four hundred seventy-six million, nine hundred twenty-five thousand, seven hundred eighty-eight".