80393129 has 2 divisors, whose sum is σ = 80393130. Its totient is φ = 80393128.

The previous prime is 80393113. The next prime is 80393143. The reversal of 80393129 is 92139308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80371225 + 21904 = 8965^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 80393129 - 2⁴ = 80393113 is a prime.

It is not a weakly prime, because it can be changed into another prime (80393149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40196564 + 40196565.

It is an arithmetic number, because the mean of its divisors is an integer number (40196565).

Almost surely, 2^80393129 is an apocalyptic number.

It is an amenable number.

80393129 is a deficient number, since it is larger than the sum of its proper divisors (1).

80393129 is an equidigital number, since it uses as much as digits as its factorization.

80393129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 80393129 is about 8966.2215564863. The cubic root of 80393129 is about 431.5915939736.

The spelling of 80393129 in words is "eighty million, three hundred ninety-three thousand, one hundred twenty-nine".