85972759112 has 8 divisors (see below), whose sum is σ = 161198923350. Its totient is φ = 42986379552.

The previous prime is 85972759109. The next prime is 85972759139. The reversal of 85972759112 is 21195727958.

It can be written as a sum of positive squares in only one way, i.e., 85915816996 + 56942116 = 293114^2 + 7546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5373297437 + ... + 5373297452.

Almost surely, 2^85972759112 is an apocalyptic number.

It is an amenable number.

85972759112 is a deficient number, since it is larger than the sum of its proper divisors (75226164238).

85972759112 is a wasteful number, since it uses less digits than its factorization.

85972759112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746594895 (or 10746594891 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 56.

The spelling of 85972759112 in words is "eighty-five billion, nine hundred seventy-two million, seven hundred fifty-nine thousand, one hundred twelve".