109027279187 has 2 divisors, whose sum is σ = 109027279188. Its totient is φ = 109027279186.

The previous prime is 109027279181. The next prime is 109027279189. The reversal of 109027279187 is 781972720901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109027279187 - 2⁸ = 109027278931 is a prime.

Together with 109027279189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109027279181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54513639593 + 54513639594.

It is an arithmetic number, because the mean of its divisors is an integer number (54513639594).

Almost surely, 2^109027279187 is an apocalyptic number.

109027279187 is a deficient number, since it is larger than the sum of its proper divisors (1).

109027279187 is an equidigital number, since it uses as much as digits as its factorization.

109027279187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 109027279187 in words is "one hundred nine billion, twenty-seven million, two hundred seventy-nine thousand, one hundred eighty-seven".