28066008067564 has 6 divisors (see below), whose sum is σ = 49115514118244. Its totient is φ = 14033004033780.

The previous prime is 28066008067477. The next prime is 28066008067577. The reversal of 28066008067564 is 46576080066082.

It is a junction number, because it is equal to n+sod(n) for n = 28066008067499 and 28066008067508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3508251008442 + ... + 3508251008449.

Almost surely, 2^{28066008067564} is an apocalyptic number.

It is an amenable number.

28066008067564 is a deficient number, since it is larger than the sum of its proper divisors (21049506050680).

28066008067564 is a wasteful number, since it uses less digits than its factorization.

28066008067564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016502016895 (or 7016502016893 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 28066008067564 in words is "twenty-eight trillion, sixty-six billion, eight million, sixty-seven thousand, five hundred sixty-four".