28522678272816 has 80 divisors (see below), whose sum is σ = 90687489906944. Its totient is φ = 7522464598272.

The previous prime is 28522678272799. The next prime is 28522678272821. The reversal of 28522678272816 is 61827287622582.

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, 3264954226 + ... + 3264962961.

Almost surely, 2^{28522678272816} is an apocalyptic number.

28522678272816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28522678272816 is an abundant number, since it is smaller than the sum of its proper divisors (62164811634128).

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

28522678272816 is a wasteful number, since it uses less digits than its factorization.

28522678272816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529917218 (or 6529917212 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 66.

The spelling of 28522678272816 in words is "twenty-eight trillion, five hundred twenty-two billion, six hundred seventy-eight million, two hundred seventy-two thousand, eight hundred sixteen".