28885745748 has 24 divisors (see below), whose sum is σ = 67403568960. Its totient is φ = 9628082560.

The previous prime is 28885745743. The next prime is 28885745753. The reversal of 28885745748 is 84754758882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28885745743) and next prime (28885745753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28885745743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235468 + ... + 336476.

It is an arithmetic number, because the mean of its divisors is an integer number (2808482040).

Almost surely, 2^28885745748 is an apocalyptic number.

It is an amenable number.

28885745748 is an abundant number, since it is smaller than the sum of its proper divisors (38517823212).

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

28885745748 is a wasteful number, since it uses less digits than its factorization.

28885745748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124847 (or 124845 counting only the distinct ones).

The product of its digits is 160563200, while the sum is 66.

The spelling of 28885745748 in words is "twenty-eight billion, eight hundred eighty-five million, seven hundred forty-five thousand, seven hundred forty-eight".