85323136 has 64 divisors (see below), whose sum is σ = 182094480. Its totient is φ = 39682048.

The previous prime is 85323113. The next prime is 85323149. The reversal of 85323136 is 63132358.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 85323098 and 85323107.

It is a congruent number.

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, 245715 + ... + 246061.

Almost surely, 2^85323136 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 85323136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91047240).

85323136 is an abundant number, since it is smaller than the sum of its proper divisors (96771344).

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

85323136 is a wasteful number, since it uses less digits than its factorization.

85323136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 479 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 85323136 is about 9237.0523436863. The cubic root of 85323136 is about 440.2394289182.

The spelling of 85323136 in words is "eighty-five million, three hundred twenty-three thousand, one hundred thirty-six".