28045874766984 has 64 divisors (see below), whose sum is σ = 74301518592000. Its totient is φ = 8806105889280.

The previous prime is 28045874766979. The next prime is 28045874767007. The reversal of 28045874766984 is 48966747854082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491383624 + ... + 491440695.

It is an arithmetic number, because the mean of its divisors is an integer number (1160961228000).

Almost surely, 2^{28045874766984} is an apocalyptic number.

28045874766984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28045874766984 is an abundant number, since it is smaller than the sum of its proper divisors (46255643825016).

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

28045874766984 is a wasteful number, since it uses less digits than its factorization.

28045874766984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982824398 (or 982824394 counting only the distinct ones).

The product of its (nonzero) digits is 5202247680, while the sum is 78.

The spelling of 28045874766984 in words is "twenty-eight trillion, forty-five billion, eight hundred seventy-four million, seven hundred sixty-six thousand, nine hundred eighty-four".