80401267 has 2 divisors, whose sum is σ = 80401268. Its totient is φ = 80401266.

The previous prime is 80401229. The next prime is 80401283. The reversal of 80401267 is 76210408.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80401267 is a prime.

It is not a weakly prime, because it can be changed into another prime (80401297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40200633 + 40200634.

It is an arithmetic number, because the mean of its divisors is an integer number (40200634).

Almost surely, 2^80401267 is an apocalyptic number.

80401267 is a deficient number, since it is larger than the sum of its proper divisors (1).

80401267 is an equidigital number, since it uses as much as digits as its factorization.

80401267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 80401267 is about 8966.6753593514. The cubic root of 80401267 is about 431.6061564697.

The spelling of 80401267 in words is "eighty million, four hundred one thousand, two hundred sixty-seven".