28453927 has 2 divisors, whose sum is σ = 28453928. Its totient is φ = 28453926.

The previous prime is 28453861. The next prime is 28453933. The reversal of 28453927 is 72935482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28453927 - 2¹¹ = 28451879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28453927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28453027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14226963 + 14226964.

It is an arithmetic number, because the mean of its divisors is an integer number (14226964).

Almost surely, 2^28453927 is an apocalyptic number.

28453927 is a deficient number, since it is larger than the sum of its proper divisors (1).

28453927 is an equidigital number, since it uses as much as digits as its factorization.

28453927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 28453927 is about 5334.2222488382. Note that the first 4 decimals coincide. The cubic root of 28453927 is about 305.2910488800.

The spelling of 28453927 in words is "twenty-eight million, four hundred fifty-three thousand, nine hundred twenty-seven".