28687023824650 has 24 divisors (see below), whose sum is σ = 53378458095744. Its totient is φ = 11470380759600.

The previous prime is 28687023824633. The next prime is 28687023824653. The reversal of 28687023824650 is 5642832078682.

28687023824650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (28687023824653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110588412 + ... + 110847511.

It is an arithmetic number, because the mean of its divisors is an integer number (2224102420656).

Almost surely, 2^{28687023824650} is an apocalyptic number.

28687023824650 is a deficient number, since it is larger than the sum of its proper divisors (24691434271094).

28687023824650 is a wasteful number, since it uses less digits than its factorization.

28687023824650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221438526 (or 221438521 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 28687023824650 in words is "twenty-eight trillion, six hundred eighty-seven billion, twenty-three million, eight hundred twenty-four thousand, six hundred fifty".