28454481183 has 8 divisors (see below), whose sum is σ = 38505566848. Its totient is φ = 18686524824.

The previous prime is 28454481169. The next prime is 28454481193. The reversal of 28454481183 is 38118445482.

It is a happy number.

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

It is not a de Polignac number, because 28454481183 - 2⁵ = 28454481151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28454481113) 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, 70782091 + ... + 70782492.

It is an arithmetic number, because the mean of its divisors is an integer number (4813195856).

Almost surely, 2^28454481183 is an apocalyptic number.

28454481183 is a deficient number, since it is larger than the sum of its proper divisors (10051085665).

28454481183 is a wasteful number, since it uses less digits than its factorization.

28454481183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141564653.

The product of its digits is 983040, while the sum is 48.

The spelling of 28454481183 in words is "twenty-eight billion, four hundred fifty-four million, four hundred eighty-one thousand, one hundred eighty-three".