71804341867 has 2 divisors, whose sum is σ = 71804341868. Its totient is φ = 71804341866.

The previous prime is 71804341849. The next prime is 71804341897. The reversal of 71804341867 is 76814340817.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71804341867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71804341867.

It is not a weakly prime, because it can be changed into another prime (71804341897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35902170933 + 35902170934.

It is an arithmetic number, because the mean of its divisors is an integer number (35902170934).

Almost surely, 2^71804341867 is an apocalyptic number.

71804341867 is a deficient number, since it is larger than the sum of its proper divisors (1).

71804341867 is an equidigital number, since it uses as much as digits as its factorization.

71804341867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 71804341867 in words is "seventy-one billion, eight hundred four million, three hundred forty-one thousand, eight hundred sixty-seven".