80196091 has 2 divisors, whose sum is σ = 80196092. Its totient is φ = 80196090.

The previous prime is 80196059. The next prime is 80196113. The reversal of 80196091 is 19069108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80196091 - 2⁵ = 80196059 is a prime.

It is not a weakly prime, because it can be changed into another prime (80196491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40098045 + 40098046.

It is an arithmetic number, because the mean of its divisors is an integer number (40098046).

Almost surely, 2^80196091 is an apocalyptic number.

80196091 is a deficient number, since it is larger than the sum of its proper divisors (1).

80196091 is an equidigital number, since it uses as much as digits as its factorization.

80196091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 80196091 is about 8955.2270211313. The cubic root of 80196091 is about 431.2387051302.

The spelling of 80196091 in words is "eighty million, one hundred ninety-six thousand, ninety-one".