28885871600 has 30 divisors (see below), whose sum is σ = 69398307480. Its totient is φ = 11554348480.

The previous prime is 28885871591. The next prime is 28885871653. The reversal of 28885871600 is 617858882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36106940 + ... + 36107739.

It is an arithmetic number, because the mean of its divisors is an integer number (2313276916).

Almost surely, 2^28885871600 is an apocalyptic number.

28885871600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28885871600 is an abundant number, since it is smaller than the sum of its proper divisors (40512435880).

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

28885871600 is a wasteful number, since it uses less digits than its factorization.

28885871600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72214697 (or 72214686 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 53.

The spelling of 28885871600 in words is "twenty-eight billion, eight hundred eighty-five million, eight hundred seventy-one thousand, six hundred".