80605199 has 2 divisors, whose sum is σ = 80605200. Its totient is φ = 80605198.

The previous prime is 80605121. The next prime is 80605207. The reversal of 80605199 is 99150608.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80605199 - 2¹⁶ = 80539663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80607199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40302599 + 40302600.

It is an arithmetic number, because the mean of its divisors is an integer number (40302600).

Almost surely, 2^80605199 is an apocalyptic number.

80605199 is a deficient number, since it is larger than the sum of its proper divisors (1).

80605199 is an equidigital number, since it uses as much as digits as its factorization.

80605199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 80605199 is about 8978.0398194706. The cubic root of 80605199 is about 431.9707609812.

The spelling of 80605199 in words is "eighty million, six hundred five thousand, one hundred ninety-nine".