27954697 has 2 divisors, whose sum is σ = 27954698. Its totient is φ = 27954696.

The previous prime is 27954671. The next prime is 27954727. The reversal of 27954697 is 79645972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17816841 + 10137856 = 4221^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 27954697 - 2²³ = 19566089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27954697.

It is not a weakly prime, because it can be changed into another prime (27954397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977348 + 13977349.

It is an arithmetic number, because the mean of its divisors is an integer number (13977349).

Almost surely, 2^27954697 is an apocalyptic number.

It is an amenable number.

27954697 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954697 is an equidigital number, since it uses as much as digits as its factorization.

27954697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The square root of 27954697 is about 5287.2201580793. The cubic root of 27954697 is about 303.4950390333.

The spelling of 27954697 in words is "twenty-seven million, nine hundred fifty-four thousand, six hundred ninety-seven".