27428383 has 2 divisors, whose sum is σ = 27428384. Its totient is φ = 27428382.

The previous prime is 27428353. The next prime is 27428411. The reversal of 27428383 is 38382472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27428383 - 2²¹ = 25331231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27428353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13714191 + 13714192.

It is an arithmetic number, because the mean of its divisors is an integer number (13714192).

Almost surely, 2^27428383 is an apocalyptic number.

27428383 is a deficient number, since it is larger than the sum of its proper divisors (1).

27428383 is an equidigital number, since it uses as much as digits as its factorization.

27428383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 27428383 is about 5237.2113762956. The cubic root of 27428383 is about 301.5782858552.

The spelling of 27428383 in words is "twenty-seven million, four hundred twenty-eight thousand, three hundred eighty-three".