28301784161876 has 24 divisors (see below), whose sum is σ = 50196979768320. Its totient is φ = 13961034908352.

The previous prime is 28301784161863. The next prime is 28301784161921. The reversal of 28301784161876 is 67816148710382.

It is a congruent number.

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, 155529665 + ... + 155711528.

It is an arithmetic number, because the mean of its divisors is an integer number (2091540823680).

Almost surely, 2^{28301784161876} is an apocalyptic number.

It is an amenable number.

28301784161876 is a deficient number, since it is larger than the sum of its proper divisors (21895195606444).

28301784161876 is a wasteful number, since it uses less digits than its factorization.

28301784161876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311241503 (or 311241501 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 28301784161876 in words is "twenty-eight trillion, three hundred one billion, seven hundred eighty-four million, one hundred sixty-one thousand, eight hundred seventy-six".