28494452827 has 2 divisors, whose sum is σ = 28494452828. Its totient is φ = 28494452826.

The previous prime is 28494452803. The next prime is 28494452843. The reversal of 28494452827 is 72825449482.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28494452827 is a prime.

It is not a weakly prime, because it can be changed into another prime (28494252827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14247226413 + 14247226414.

It is an arithmetic number, because the mean of its divisors is an integer number (14247226414).

Almost surely, 2^28494452827 is an apocalyptic number.

28494452827 is a deficient number, since it is larger than the sum of its proper divisors (1).

28494452827 is an equidigital number, since it uses as much as digits as its factorization.

28494452827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10321920, while the sum is 55.

The spelling of 28494452827 in words is "twenty-eight billion, four hundred ninety-four million, four hundred fifty-two thousand, eight hundred twenty-seven".