8127006091 has 2 divisors, whose sum is σ = 8127006092. Its totient is φ = 8127006090.

The previous prime is 8127006089. The next prime is 8127006113. The reversal of 8127006091 is 1906007218.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8127006091 - 2¹ = 8127006089 is a prime.

It is a super-2 number, since 2×8127006091² (a number of 21 digits) contains 22 as substring.

Together with 8127006089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8127006191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063503045 + 4063503046.

It is an arithmetic number, because the mean of its divisors is an integer number (4063503046).

Almost surely, 2^8127006091 is an apocalyptic number.

8127006091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8127006091 is an equidigital number, since it uses as much as digits as its factorization.

8127006091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 8127006091 is about 90149.9089905253. The cubic root of 8127006091 is about 2010.5283208948.

The spelling of 8127006091 in words is "eight billion, one hundred twenty-seven million, six thousand, ninety-one".