99838927 has 2 divisors, whose sum is σ = 99838928. Its totient is φ = 99838926.

The previous prime is 99838919. The next prime is 99838931. The reversal of 99838927 is 72983899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99838927 - 2³ = 99838919 is a prime.

It is a super-2 number, since 2×99838927² = 19935622689022658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99838997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49919463 + 49919464.

It is an arithmetic number, because the mean of its divisors is an integer number (49919464).

Almost surely, 2^99838927 is an apocalyptic number.

99838927 is a deficient number, since it is larger than the sum of its proper divisors (1).

99838927 is an equidigital number, since it uses as much as digits as its factorization.

99838927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 99838927 is about 9991.9431043216. The cubic root of 99838927 is about 463.9095378912.

It can be divided in two parts, 9983892 and 7, that added together give a palindrome (9983899).

The spelling of 99838927 in words is "ninety-nine million, eight hundred thirty-eight thousand, nine hundred twenty-seven".