85645719756 has 36 divisors (see below), whose sum is σ = 216556431000. Its totient is φ = 28540254528.

The previous prime is 85645719751. The next prime is 85645719799. The reversal of 85645719756 is 65791754658.

85645719756 is a `hidden beast` number, since 8 + 5 + 6 + 4 + 571 + 9 + 7 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 85645719693 and 85645719702.

It is not an unprimeable number, because it can be changed into a prime (85645719751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220726 + ... + 469053.

Almost surely, 2^85645719756 is an apocalyptic number.

It is an amenable number.

85645719756 is an abundant number, since it is smaller than the sum of its proper divisors (130910711244).

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

85645719756 is a wasteful number, since it uses less digits than its factorization.

85645719756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693238 (or 693233 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 85645719756 in words is "eighty-five billion, six hundred forty-five million, seven hundred nineteen thousand, seven hundred fifty-six".