86526172 has 24 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 42188016.

The previous prime is 86526163. The next prime is 86526173. The reversal of 86526172 is 27162568.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86526173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24579 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (6468000).

Almost surely, 2^86526172 is an apocalyptic number.

It is an amenable number.

86526172 is a deficient number, since it is larger than the sum of its proper divisors (68705828).

86526172 is a wasteful number, since it uses less digits than its factorization.

86526172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 86526172 is about 9301.9445278931. The cubic root of 86526172 is about 442.2988703657.

The spelling of 86526172 in words is "eighty-six million, five hundred twenty-six thousand, one hundred seventy-two".