80633129 has 2 divisors, whose sum is σ = 80633130. Its totient is φ = 80633128.

The previous prime is 80633083. The next prime is 80633141. The reversal of 80633129 is 92133608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51093904 + 29539225 = 7148^2 + 5435^2 .

It is a cyclic number.

It is not a de Polignac number, because 80633129 - 2¹⁶ = 80567593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80633095 and 80633104.

It is not a weakly prime, because it can be changed into another prime (80633149) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40316564 + 40316565.

It is an arithmetic number, because the mean of its divisors is an integer number (40316565).

Almost surely, 2^80633129 is an apocalyptic number.

It is an amenable number.

80633129 is a deficient number, since it is larger than the sum of its proper divisors (1).

80633129 is an equidigital number, since it uses as much as digits as its factorization.

80633129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 80633129 is about 8979.5951467758. The cubic root of 80633129 is about 432.0206483758.

The spelling of 80633129 in words is "eighty million, six hundred thirty-three thousand, one hundred twenty-nine".