28283585580776 has 32 divisors (see below), whose sum is σ = 53063493600000. Its totient is φ = 14133322034496.

The previous prime is 28283585580749. The next prime is 28283585580779. The reversal of 28283585580776 is 67708558538282.

It is a super-2 number, since 2×28283585580776² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28283585580779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172455725 + ... + 172619651.

It is an arithmetic number, because the mean of its divisors is an integer number (1658234175000).

Almost surely, 2^{28283585580776} is an apocalyptic number.

It is an amenable number.

28283585580776 is a deficient number, since it is larger than the sum of its proper divisors (24779908019224).

28283585580776 is a wasteful number, since it uses less digits than its factorization.

28283585580776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176721 (or 176717 counting only the distinct ones).

The product of its (nonzero) digits is 1806336000, while the sum is 74.

The spelling of 28283585580776 in words is "twenty-eight trillion, two hundred eighty-three billion, five hundred eighty-five million, five hundred eighty thousand, seven hundred seventy-six".