85304099 has 2 divisors, whose sum is σ = 85304100. Its totient is φ = 85304098.

The previous prime is 85304057. The next prime is 85304123. The reversal of 85304099 is 99040358.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85304099 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85307099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42652049 + 42652050.

It is an arithmetic number, because the mean of its divisors is an integer number (42652050).

Almost surely, 2^85304099 is an apocalyptic number.

85304099 is a deficient number, since it is larger than the sum of its proper divisors (1).

85304099 is an equidigital number, since it uses as much as digits as its factorization.

85304099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 85304099 is about 9236.0218167780. The cubic root of 85304099 is about 440.2066849217.

The spelling of 85304099 in words is "eighty-five million, three hundred four thousand, ninety-nine".