2127893797 has 2 divisors, whose sum is σ = 2127893798. Its totient is φ = 2127893796.

The previous prime is 2127893777. The next prime is 2127893837. The reversal of 2127893797 is 7973987212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2123458561 + 4435236 = 46081^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2127893797 - 2¹¹ = 2127891749 is a prime.

It is a super-2 number, since 2×2127893797² = 9055864022622154418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127893707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063946898 + 1063946899.

It is an arithmetic number, because the mean of its divisors is an integer number (1063946899).

Almost surely, 2^2127893797 is an apocalyptic number.

It is an amenable number.

2127893797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127893797 is an equidigital number, since it uses as much as digits as its factorization.

2127893797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 55.

The square root of 2127893797 is about 46129.0992433193. The cubic root of 2127893797 is about 1286.2241201861.

The spelling of 2127893797 in words is "two billion, one hundred twenty-seven million, eight hundred ninety-three thousand, seven hundred ninety-seven".