28069066824 has 64 divisors (see below), whose sum is σ = 73467172800. Its totient is φ = 8924864256.

The previous prime is 28069066819. The next prime is 28069066841. The reversal of 28069066824 is 42866096082.

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, 185179 + ... + 300714.

It is an arithmetic number, because the mean of its divisors is an integer number (1147924575).

Almost surely, 2^28069066824 is an apocalyptic number.

28069066824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28069066824 is an abundant number, since it is smaller than the sum of its proper divisors (45398105976).

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

28069066824 is a wasteful number, since it uses less digits than its factorization.

28069066824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486014 (or 486010 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 28069066824 in words is "twenty-eight billion, sixty-nine million, sixty-six thousand, eight hundred twenty-four".