84089099 has 2 divisors, whose sum is σ = 84089100. Its totient is φ = 84089098.

The previous prime is 84089039. The next prime is 84089119. The reversal of 84089099 is 99098048.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84089099 is a prime.

It is not a weakly prime, because it can be changed into another prime (84089039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42044549 + 42044550.

It is an arithmetic number, because the mean of its divisors is an integer number (42044550).

Almost surely, 2^84089099 is an apocalyptic number.

84089099 is a deficient number, since it is larger than the sum of its proper divisors (1).

84089099 is an equidigital number, since it uses as much as digits as its factorization.

84089099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 84089099 is about 9170.0108505934. The cubic root of 84089099 is about 438.1067048187.

The spelling of 84089099 in words is "eighty-four million, eighty-nine thousand, ninety-nine".