85723080156 has 72 divisors (see below), whose sum is σ = 251704244064. Its totient is φ = 24090791040.

The previous prime is 85723080151. The next prime is 85723080187. The reversal of 85723080156 is 65108032758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85723080151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2772915 + ... + 2803658.

Almost surely, 2^85723080156 is an apocalyptic number.

It is an amenable number.

85723080156 is an abundant number, since it is smaller than the sum of its proper divisors (165981163908).

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

85723080156 is a wasteful number, since it uses less digits than its factorization.

85723080156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576651 (or 5576646 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 85723080156 in words is "eighty-five billion, seven hundred twenty-three million, eighty thousand, one hundred fifty-six".