80266783 has 2 divisors, whose sum is σ = 80266784. Its totient is φ = 80266782.

The previous prime is 80266777. The next prime is 80266829. The reversal of 80266783 is 38766208.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80266783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80266723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40133391 + 40133392.

It is an arithmetic number, because the mean of its divisors is an integer number (40133392).

Almost surely, 2^80266783 is an apocalyptic number.

80266783 is a deficient number, since it is larger than the sum of its proper divisors (1).

80266783 is an equidigital number, since it uses as much as digits as its factorization.

80266783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 80266783 is about 8959.1731203276. The cubic root of 80266783 is about 431.3653786921.

The spelling of 80266783 in words is "eighty million, two hundred sixty-six thousand, seven hundred eighty-three".