80719193 has 2 divisors, whose sum is σ = 80719194. Its totient is φ = 80719192.

The previous prime is 80719181. The next prime is 80719253. The reversal of 80719193 is 39191708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49392784 + 31326409 = 7028^2 + 5597^2 .

It is a cyclic number.

It is not a de Polignac number, because 80719193 - 2²⁶ = 13610329 is a prime.

It is not a weakly prime, because it can be changed into another prime (80719103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40359596 + 40359597.

It is an arithmetic number, because the mean of its divisors is an integer number (40359597).

Almost surely, 2^80719193 is an apocalyptic number.

It is an amenable number.

80719193 is a deficient number, since it is larger than the sum of its proper divisors (1).

80719193 is an equidigital number, since it uses as much as digits as its factorization.

80719193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 80719193 is about 8984.3860669497. The cubic root of 80719193 is about 432.1742998786.

The spelling of 80719193 in words is "eighty million, seven hundred nineteen thousand, one hundred ninety-three".