80292266477 has 2 divisors, whose sum is σ = 80292266478. Its totient is φ = 80292266476.

The previous prime is 80292266423. The next prime is 80292266513. The reversal of 80292266477 is 77466229208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76823763241 + 3468503236 = 277171^2 + 58894^2 .

It is a cyclic number.

It is not a de Polignac number, because 80292266477 - 2⁸ = 80292266221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80292263477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40146133238 + 40146133239.

It is an arithmetic number, because the mean of its divisors is an integer number (40146133239).

Almost surely, 2^80292266477 is an apocalyptic number.

It is an amenable number.

80292266477 is a deficient number, since it is larger than the sum of its proper divisors (1).

80292266477 is an equidigital number, since it uses as much as digits as its factorization.

80292266477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 80292266477 in words is "eighty billion, two hundred ninety-two million, two hundred sixty-six thousand, four hundred seventy-seven".