85112380 has 12 divisors (see below), whose sum is σ = 178736040. Its totient is φ = 34044944.

The previous prime is 85112327. The next prime is 85112389. The reversal of 85112380 is 8321158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85112389) 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 3 ways as a sum of consecutive naturals, for example, 2127790 + ... + 2127829.

It is an arithmetic number, because the mean of its divisors is an integer number (14894670).

Almost surely, 2^85112380 is an apocalyptic number.

It is an amenable number.

85112380 is an abundant number, since it is smaller than the sum of its proper divisors (93623660).

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

85112380 is a wasteful number, since it uses less digits than its factorization.

85112380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255628 (or 4255626 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 85112380 is about 9225.6371053711. The cubic root of 85112380 is about 439.8766527525.

It can be divided in two parts, 851 and 12380, that added together give a palindrome (13231).

The spelling of 85112380 in words is "eighty-five million, one hundred twelve thousand, three hundred eighty".