27376110197 has 2 divisors, whose sum is σ = 27376110198. Its totient is φ = 27376110196.

The previous prime is 27376110169. The next prime is 27376110241. The reversal of 27376110197 is 79101167372.

It is a happy number.

It is an a-pointer prime, because the next prime (27376110241) can be obtained adding 27376110197 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24992131921 + 2383978276 = 158089^2 + 48826^2 .

It is a cyclic number.

It is not a de Polignac number, because 27376110197 - 2⁶ = 27376110133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27376115197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13688055098 + 13688055099.

It is an arithmetic number, because the mean of its divisors is an integer number (13688055099).

Almost surely, 2^27376110197 is an apocalyptic number.

It is an amenable number.

27376110197 is a deficient number, since it is larger than the sum of its proper divisors (1).

27376110197 is an equidigital number, since it uses as much as digits as its factorization.

27376110197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 44.

The spelling of 27376110197 in words is "twenty-seven billion, three hundred seventy-six million, one hundred ten thousand, one hundred ninety-seven".