84080099 has 2 divisors, whose sum is σ = 84080100. Its totient is φ = 84080098.

The previous prime is 84080089. The next prime is 84080107. The reversal of 84080099 is 99008048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84080099 - 2⁴ = 84080083 is a prime.

It is not a weakly prime, because it can be changed into another prime (84080089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42040049 + 42040050.

It is an arithmetic number, because the mean of its divisors is an integer number (42040050).

Almost surely, 2^84080099 is an apocalyptic number.

84080099 is a deficient number, since it is larger than the sum of its proper divisors (1).

84080099 is an equidigital number, since it uses as much as digits as its factorization.

84080099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 84080099 is about 9169.5201073993. The cubic root of 84080099 is about 438.0910741718.

The spelling of 84080099 in words is "eighty-four million, eighty thousand, ninety-nine".