80918267 has 2 divisors, whose sum is σ = 80918268. Its totient is φ = 80918266.

The previous prime is 80918263. The next prime is 80918287. The reversal of 80918267 is 76281908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80918267 - 2² = 80918263 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80918263) 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, 40459133 + 40459134.

It is an arithmetic number, because the mean of its divisors is an integer number (40459134).

Almost surely, 2^80918267 is an apocalyptic number.

80918267 is a deficient number, since it is larger than the sum of its proper divisors (1).

80918267 is an equidigital number, since it uses as much as digits as its factorization.

80918267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 80918267 is about 8995.4581317463. The cubic root of 80918267 is about 432.5292920119.

The spelling of 80918267 in words is "eighty million, nine hundred eighteen thousand, two hundred sixty-seven".