80868611 has 2 divisors, whose sum is σ = 80868612. Its totient is φ = 80868610.

The previous prime is 80868589. The next prime is 80868631. The reversal of 80868611 is 11686808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80868611 - 2²⁶ = 13759747 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80868631) 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, 40434305 + 40434306.

It is an arithmetic number, because the mean of its divisors is an integer number (40434306).

Almost surely, 2^80868611 is an apocalyptic number.

80868611 is a deficient number, since it is larger than the sum of its proper divisors (1).

80868611 is an equidigital number, since it uses as much as digits as its factorization.

80868611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 80868611 is about 8992.6976486480. The cubic root of 80868611 is about 432.4407991407.

The spelling of 80868611 in words is "eighty million, eight hundred sixty-eight thousand, six hundred eleven".