80212663 has 2 divisors, whose sum is σ = 80212664. Its totient is φ = 80212662.

The previous prime is 80212651. The next prime is 80212667. The reversal of 80212663 is 36621208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80212663 - 2²¹ = 78115511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80212667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40106331 + 40106332.

It is an arithmetic number, because the mean of its divisors is an integer number (40106332).

Almost surely, 2^80212663 is an apocalyptic number.

80212663 is a deficient number, since it is larger than the sum of its proper divisors (1).

80212663 is an equidigital number, since it uses as much as digits as its factorization.

80212663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80212663 is about 8956.1522430115. The cubic root of 80212663 is about 431.2684073078.

The spelling of 80212663 in words is "eighty million, two hundred twelve thousand, six hundred sixty-three".