84164099 has 2 divisors, whose sum is σ = 84164100. Its totient is φ = 84164098.

The previous prime is 84164009. The next prime is 84164123. The reversal of 84164099 is 99046148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84164099 - 2⁸ = 84163843 is a prime.

It is not a weakly prime, because it can be changed into another prime (84164009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42082049 + 42082050.

It is an arithmetic number, because the mean of its divisors is an integer number (42082050).

Almost surely, 2^84164099 is an apocalyptic number.

84164099 is a deficient number, since it is larger than the sum of its proper divisors (1).

84164099 is an equidigital number, since it uses as much as digits as its factorization.

84164099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 84164099 is about 9174.0993563401. The cubic root of 84164099 is about 438.2369168568.

The spelling of 84164099 in words is "eighty-four million, one hundred sixty-four thousand, ninety-nine".