85161736 has 24 divisors (see below), whose sum is σ = 175516110. Its totient is φ = 38709440.

The previous prime is 85161707. The next prime is 85161751. The reversal of 85161736 is 63716158.

It can be written as a sum of positive squares in only one way, i.e., 48024900 + 37136836 = 6930^2 + 6094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85161695 and 85161704.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43021 + ... + 44956.

Almost surely, 2^85161736 is an apocalyptic number.

It is an amenable number.

85161736 is an abundant number, since it is smaller than the sum of its proper divisors (90354374).

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

85161736 is a wasteful number, since it uses less digits than its factorization.

85161736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88005 (or 87990 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 85161736 is about 9228.3116549020. The cubic root of 85161736 is about 439.9616633265.

The spelling of 85161736 in words is "eighty-five million, one hundred sixty-one thousand, seven hundred thirty-six".