99862799 has 2 divisors, whose sum is σ = 99862800. Its totient is φ = 99862798.

The previous prime is 99862787. The next prime is 99862801. The reversal of 99862799 is 99726899.

It is a strong prime.

It is an emirp because it is prime and its reverse (99726899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99862799 is a prime.

It is a super-2 number, since 2×99862799² = 19945157248228802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 99862801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99862729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49931399 + 49931400.

It is an arithmetic number, because the mean of its divisors is an integer number (49931400).

Almost surely, 2^99862799 is an apocalyptic number.

99862799 is a deficient number, since it is larger than the sum of its proper divisors (1).

99862799 is an equidigital number, since it uses as much as digits as its factorization.

99862799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 59.

The square root of 99862799 is about 9993.1375953701. The cubic root of 99862799 is about 463.9465093287.

The spelling of 99862799 in words is "ninety-nine million, eight hundred sixty-two thousand, seven hundred ninety-nine".