99822887 has 2 divisors, whose sum is σ = 99822888. Its totient is φ = 99822886.

The previous prime is 99822869. The next prime is 99822937. The reversal of 99822887 is 78822899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99822887 - 2¹⁶ = 99757351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99822817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49911443 + 49911444.

It is an arithmetic number, because the mean of its divisors is an integer number (49911444).

Almost surely, 2^99822887 is an apocalyptic number.

99822887 is a deficient number, since it is larger than the sum of its proper divisors (1).

99822887 is an equidigital number, since it uses as much as digits as its factorization.

99822887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 53.

The square root of 99822887 is about 9991.1404253969. The cubic root of 99822887 is about 463.8846928475.

The spelling of 99822887 in words is "ninety-nine million, eight hundred twenty-two thousand, eight hundred eighty-seven".