85812726492 has 18 divisors (see below), whose sum is σ = 216915503168. Its totient is φ = 28604242152.

The previous prime is 85812726421. The next prime is 85812726499. The reversal of 85812726492 is 29462721858.

85812726492 is a `hidden beast` number, since 8 + 5 + 8 + 127 + 26 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85812726499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1191843388 + ... + 1191843459.

Almost surely, 2^85812726492 is an apocalyptic number.

It is an amenable number.

85812726492 is an abundant number, since it is smaller than the sum of its proper divisors (131102776676).

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

85812726492 is a wasteful number, since it uses less digits than its factorization.

85812726492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383686857 (or 2383686852 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 85812726492 in words is "eighty-five billion, eight hundred twelve million, seven hundred twenty-six thousand, four hundred ninety-two".