99983222839 has 2 divisors, whose sum is σ = 99983222840. Its totient is φ = 99983222838.

The previous prime is 99983222837. The next prime is 99983222863. The reversal of 99983222839 is 93822238999.

It is a weak prime.

It is an emirp because it is prime and its reverse (93822238999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99983222839 - 2¹ = 99983222837 is a prime.

Together with 99983222837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99983222837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991611419 + 49991611420.

It is an arithmetic number, because the mean of its divisors is an integer number (49991611420).

Almost surely, 2^99983222839 is an apocalyptic number.

99983222839 is a deficient number, since it is larger than the sum of its proper divisors (1).

99983222839 is an equidigital number, since it uses as much as digits as its factorization.

99983222839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 64.

The spelling of 99983222839 in words is "ninety-nine billion, nine hundred eighty-three million, two hundred twenty-two thousand, eight hundred thirty-nine".