71822756711 has 4 divisors (see below), whose sum is σ = 71824084992. Its totient is φ = 71821428432.

The previous prime is 71822756699. The next prime is 71822756713. The reversal of 71822756711 is 11765722817.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11765722817 = 907 ⋅12972131.

It is a cyclic number.

It is not a de Polignac number, because 71822756711 - 2²² = 71818562407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71822756713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579431 + ... + 692376.

It is an arithmetic number, because the mean of its divisors is an integer number (17956021248).

Almost surely, 2^71822756711 is an apocalyptic number.

71822756711 is a deficient number, since it is larger than the sum of its proper divisors (1328281).

71822756711 is a wasteful number, since it uses less digits than its factorization.

71822756711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328280.

The product of its digits is 329280, while the sum is 47.

The spelling of 71822756711 in words is "seventy-one billion, eight hundred twenty-two million, seven hundred fifty-six thousand, seven hundred eleven".