85711519069722 has 256 divisors, whose sum is σ = 235743383715840. Its totient is φ = 22478166144000.

The previous prime is 85711519069721. The next prime is 85711519069727. The reversal of 85711519069722 is 22796091511758.

85711519069722 is a `hidden beast` number, since 8 + 5 + 7 + 1 + 1 + 519 + 0 + 6 + 97 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 85711519069722.

It is not an unprimeable number, because it can be changed into a prime (85711519069721) 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 in 127 ways as a sum of consecutive naturals, for example, 2628929473 + ... + 2628962075.

It is an arithmetic number, because the mean of its divisors is an integer number (920872592640).

Almost surely, 2^{85711519069722} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85711519069722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117871691857920).

85711519069722 is an abundant number, since it is smaller than the sum of its proper divisors (150031864646118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85711519069722 is a wasteful number, since it uses less digits than its factorization.

85711519069722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35626 (or 35620 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 63.

The spelling of 85711519069722 in words is "eighty-five trillion, seven hundred eleven billion, five hundred nineteen million, sixty-nine thousand, seven hundred twenty-two".