80808254506699 has 2 divisors, whose sum is σ = 80808254506700. Its totient is φ = 80808254506698.

The previous prime is 80808254506613. The next prime is 80808254506717. The reversal of 80808254506699 is 99660545280808.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80808254506699 - 2¹¹ = 80808254504651 is a prime.

It is not a weakly prime, because it can be changed into another prime (80808254506099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40404127253349 + 40404127253350.

It is an arithmetic number, because the mean of its divisors is an integer number (40404127253350).

Almost surely, 2^{80808254506699} is an apocalyptic number.

80808254506699 is a deficient number, since it is larger than the sum of its proper divisors (1).

80808254506699 is an equidigital number, since it uses as much as digits as its factorization.

80808254506699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 298598400, while the sum is 70.

The spelling of 80808254506699 in words is "eighty trillion, eight hundred eight billion, two hundred fifty-four million, five hundred six thousand, six hundred ninety-nine".