28522678272817 has 8 divisors (see below), whose sum is σ = 29038963056480. Its totient is φ = 28007488474560.

The previous prime is 28522678272799. The next prime is 28522678272821. The reversal of 28522678272817 is 71827287622582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28522678272817 - 2³⁵ = 28488318534449 is a prime.

It is a super-2 number, since 2×28522678272817² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28522678272827) 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, 273693784 + ... + 273797977.

It is an arithmetic number, because the mean of its divisors is an integer number (3629870382060).

Almost surely, 2^{28522678272817} is an apocalyptic number.

It is an amenable number.

28522678272817 is a deficient number, since it is larger than the sum of its proper divisors (516284783663).

28522678272817 is an equidigital number, since it uses as much as digits as its factorization.

28522678272817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547492703.

The product of its digits is 168591360, while the sum is 67.

The spelling of 28522678272817 in words is "twenty-eight trillion, five hundred twenty-two billion, six hundred seventy-eight million, two hundred seventy-two thousand, eight hundred seventeen".