27954427 has 2 divisors, whose sum is σ = 27954428. Its totient is φ = 27954426.

The previous prime is 27954413. The next prime is 27954431. The reversal of 27954427 is 72445972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27954427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27954427.

It is not a weakly prime, because it can be changed into another prime (27954727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977213 + 13977214.

It is an arithmetic number, because the mean of its divisors is an integer number (13977214).

Almost surely, 2^27954427 is an apocalyptic number.

27954427 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954427 is an equidigital number, since it uses as much as digits as its factorization.

27954427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 27954427 is about 5287.1946247514. The cubic root of 27954427 is about 303.4940619295.

The spelling of 27954427 in words is "twenty-seven million, nine hundred fifty-four thousand, four hundred twenty-seven".