99992771 has 2 divisors, whose sum is σ = 99992772. Its totient is φ = 99992770.

The previous prime is 99992747. The next prime is 99992773. The reversal of 99992771 is 17729999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99992771 - 2²² = 95798467 is a prime.

It is a Sophie Germain prime.

Together with 99992773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99992773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49996385 + 49996386.

It is an arithmetic number, because the mean of its divisors is an integer number (49996386).

Almost surely, 2^99992771 is an apocalyptic number.

99992771 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992771 is an equidigital number, since it uses as much as digits as its factorization.

99992771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 642978, while the sum is 53.

The square root of 99992771 is about 9999.6385434675. The cubic root of 99992771 is about 464.1476984099.

The spelling of 99992771 in words is "ninety-nine million, nine hundred ninety-two thousand, seven hundred seventy-one".