71827388411 has 2 divisors, whose sum is σ = 71827388412. Its totient is φ = 71827388410.

The previous prime is 71827388389. The next prime is 71827388497. The reversal of 71827388411 is 11488372817.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71827388411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71827388411.

It is not a weakly prime, because it can be changed into another prime (71827378411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35913694205 + 35913694206.

It is an arithmetic number, because the mean of its divisors is an integer number (35913694206).

Almost surely, 2^71827388411 is an apocalyptic number.

71827388411 is a deficient number, since it is larger than the sum of its proper divisors (1).

71827388411 is an equidigital number, since it uses as much as digits as its factorization.

71827388411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 50.

The spelling of 71827388411 in words is "seventy-one billion, eight hundred twenty-seven million, three hundred eighty-eight thousand, four hundred eleven".