71816315267 has 2 divisors, whose sum is σ = 71816315268. Its totient is φ = 71816315266.

The previous prime is 71816315243. The next prime is 71816315309. The reversal of 71816315267 is 76251361817.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71816315267 - 2¹⁶ = 71816249731 is a prime.

It is not a weakly prime, because it can be changed into another prime (71816314267) 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, 35908157633 + 35908157634.

It is an arithmetic number, because the mean of its divisors is an integer number (35908157634).

Almost surely, 2^71816315267 is an apocalyptic number.

71816315267 is a deficient number, since it is larger than the sum of its proper divisors (1).

71816315267 is an equidigital number, since it uses as much as digits as its factorization.

71816315267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The spelling of 71816315267 in words is "seventy-one billion, eight hundred sixteen million, three hundred fifteen thousand, two hundred sixty-seven".