28885550623404 has 24 divisors (see below), whose sum is σ = 67404937678848. Its totient is φ = 9627756937680.

The previous prime is 28885550623399. The next prime is 28885550623429. The reversal of 28885550623404 is 40432605558882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94833712 + ... + 95137815.

It is an arithmetic number, because the mean of its divisors is an integer number (2808539069952).

Almost surely, 2^{28885550623404} is an apocalyptic number.

It is an amenable number.

28885550623404 is an abundant number, since it is smaller than the sum of its proper divisors (38519387055444).

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

28885550623404 is a wasteful number, since it uses less digits than its factorization.

28885550623404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189984205 (or 189984203 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 60.

The spelling of 28885550623404 in words is "twenty-eight trillion, eight hundred eighty-five billion, five hundred fifty million, six hundred twenty-three thousand, four hundred four".