27376997 has 2 divisors, whose sum is σ = 27376998. Its totient is φ = 27376996.

The previous prime is 27376963. The next prime is 27377017. The reversal of 27376997 is 79967372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 10982596 = 4049^2 + 3314^2 .

It is a cyclic number.

It is not a de Polignac number, because 27376997 - 2⁶ = 27376933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27376597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13688498 + 13688499.

It is an arithmetic number, because the mean of its divisors is an integer number (13688499).

Almost surely, 2^27376997 is an apocalyptic number.

It is an amenable number.

27376997 is a deficient number, since it is larger than the sum of its proper divisors (1).

27376997 is an equidigital number, since it uses as much as digits as its factorization.

27376997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 50.

The square root of 27376997 is about 5232.3032213357. The cubic root of 27376997 is about 301.3898364243.

The spelling of 27376997 in words is "twenty-seven million, three hundred seventy-six thousand, nine hundred ninety-seven".