85452651712 has 56 divisors (see below), whose sum is σ = 175117548672. Its totient is φ = 41329766400.

The previous prime is 85452651689. The next prime is 85452651731. The reversal of 85452651712 is 21715625458.

It is a super-2 number, since 2×85452651712² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5191848 + ... + 5208280.

Almost surely, 2^85452651712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85452651712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87558774336).

85452651712 is an abundant number, since it is smaller than the sum of its proper divisors (89664896960).

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

85452651712 is a wasteful number, since it uses less digits than its factorization.

85452651712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097 (or 19087 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The spelling of 85452651712 in words is "eighty-five billion, four hundred fifty-two million, six hundred fifty-one thousand, seven hundred twelve".