99912727 has 2 divisors, whose sum is σ = 99912728. Its totient is φ = 99912726.

The previous prime is 99912719. The next prime is 99912731. The reversal of 99912727 is 72721999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99912727 - 2³ = 99912719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99912797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956363 + 49956364.

It is an arithmetic number, because the mean of its divisors is an integer number (49956364).

Almost surely, 2^99912727 is an apocalyptic number.

99912727 is a deficient number, since it is larger than the sum of its proper divisors (1).

99912727 is an equidigital number, since it uses as much as digits as its factorization.

99912727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 46.

The square root of 99912727 is about 9995.6353975123. The cubic root of 99912727 is about 464.0238156003.

The spelling of 99912727 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred twenty-seven".