99983867 has 2 divisors, whose sum is σ = 99983868. Its totient is φ = 99983866.

The previous prime is 99983861. The next prime is 99983929. The reversal of 99983867 is 76838999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99983867 - 2²² = 95789563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99983861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991933 + 49991934.

It is an arithmetic number, because the mean of its divisors is an integer number (49991934).

Almost surely, 2^99983867 is an apocalyptic number.

99983867 is a deficient number, since it is larger than the sum of its proper divisors (1).

99983867 is an equidigital number, since it uses as much as digits as its factorization.

99983867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The square root of 99983867 is about 9999.1933174632. The cubic root of 99983867 is about 464.1339211013.

The spelling of 99983867 in words is "ninety-nine million, nine hundred eighty-three thousand, eight hundred sixty-seven".