85824156 has 24 divisors (see below), whose sum is σ = 218461824. Its totient is φ = 26007280.

The previous prime is 85824113. The next prime is 85824157. The reversal of 85824156 is 65142858.

It is a super-2 number, since 2×85824156² = 14731571506224672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85824157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324960 + ... + 325223.

It is an arithmetic number, because the mean of its divisors is an integer number (9102576).

Almost surely, 2^85824156 is an apocalyptic number.

It is an amenable number.

85824156 is an abundant number, since it is smaller than the sum of its proper divisors (132637668).

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

85824156 is a wasteful number, since it uses less digits than its factorization.

85824156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650201 (or 650199 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 85824156 is about 9264.1327710693. The cubic root of 85824156 is about 441.0994474436.

The spelling of 85824156 in words is "eighty-five million, eight hundred twenty-four thousand, one hundred fifty-six".