28454345183 has 16 divisors (see below), whose sum is σ = 31596289920. Its totient is φ = 25405740000.

The previous prime is 28454345177. The next prime is 28454345197. The reversal of 28454345183 is 38154345482.

It is a cyclic number.

It is not a de Polignac number, because 28454345183 - 2¹² = 28454341087 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 (28454345383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705308 + ... + 744558.

It is an arithmetic number, because the mean of its divisors is an integer number (1974768120).

Almost surely, 2^28454345183 is an apocalyptic number.

28454345183 is a deficient number, since it is larger than the sum of its proper divisors (3141944737).

28454345183 is a wasteful number, since it uses less digits than its factorization.

28454345183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40438.

The product of its digits is 1843200, while the sum is 47.

The spelling of 28454345183 in words is "twenty-eight billion, four hundred fifty-four million, three hundred forty-five thousand, one hundred eighty-three".