28282785553 has 8 divisors (see below), whose sum is σ = 31153502016. Its totient is φ = 25461994800.

The previous prime is 28282785527. The next prime is 28282785569. The reversal of 28282785553 is 35558728282.

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

It is not a de Polignac number, because 28282785553 - 2²⁹ = 27745914641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28282785494 and 28282785503.

It is not an unprimeable number, because it can be changed into a prime (28282789553) 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, 12480238 + ... + 12482503.

It is an arithmetic number, because the mean of its divisors is an integer number (3894187752).

Almost surely, 2^28282785553 is an apocalyptic number.

It is an amenable number.

28282785553 is a deficient number, since it is larger than the sum of its proper divisors (2870716463).

28282785553 is a wasteful number, since it uses less digits than its factorization.

28282785553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24962855.

The product of its digits is 10752000, while the sum is 55.

The spelling of 28282785553 in words is "twenty-eight billion, two hundred eighty-two million, seven hundred eighty-five thousand, five hundred fifty-three".