85011724 has 24 divisors (see below), whose sum is σ = 170219168. Its totient is φ = 36391680.

The previous prime is 85011721. The next prime is 85011761. The reversal of 85011724 is 42711058.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 85011692 and 85011701.

It is not an unprimeable number, because it can be changed into a prime (85011721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44452 + ... + 46324.

Almost surely, 2^85011724 is an apocalyptic number.

It is an amenable number.

85011724 is an abundant number, since it is smaller than the sum of its proper divisors (85207444).

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

85011724 is a wasteful number, since it uses less digits than its factorization.

85011724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 85011724 is about 9220.1802585416. The cubic root of 85011724 is about 439.7031813575.

The spelling of 85011724 in words is "eighty-five million, eleven thousand, seven hundred twenty-four".