10000009999927 has 2 divisors, whose sum is σ = 10000009999928. Its totient is φ = 10000009999926.

The previous prime is 10000009999897. The next prime is 10000010000027. The reversal of 10000009999927 is 72999990000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10000009999927 - 2¹⁹ = 10000009475639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000009999027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000004999963 + 5000004999964.

It is an arithmetic number, because the mean of its divisors is an integer number (5000004999964).

Almost surely, 2^{10000009999927} is an apocalyptic number.

10000009999927 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000009999927 is an equidigital number, since it uses as much as digits as its factorization.

10000009999927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 826686, while the sum is 55.

Adding to 10000009999927 its reverse (72999990000001), we get a palindrome (82999999999928).

The spelling of 10000009999927 in words is "ten trillion, nine million, nine hundred ninety-nine thousand, nine hundred twenty-seven".