28484459431 has 8 divisors (see below), whose sum is σ = 29470093200. Its totient is φ = 27499053120.

The previous prime is 28484459417. The next prime is 28484459441. The reversal of 28484459431 is 13495448482.

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 28484459431 - 2¹³ = 28484451239 is a prime.

It is a super-3 number, since 3×28484459431³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28484459441) 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, 221011 + ... + 325291.

It is an arithmetic number, because the mean of its divisors is an integer number (3683761650).

Almost surely, 2^28484459431 is an apocalyptic number.

28484459431 is a deficient number, since it is larger than the sum of its proper divisors (985633769).

28484459431 is a wasteful number, since it uses less digits than its factorization.

28484459431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113729.

The product of its digits is 4423680, while the sum is 52.

The spelling of 28484459431 in words is "twenty-eight billion, four hundred eighty-four million, four hundred fifty-nine thousand, four hundred thirty-one".