86641124 has 12 divisors (see below), whose sum is σ = 155720124. Its totient is φ = 42149664.

The previous prime is 86641123. The next prime is 86641141. The reversal of 86641124 is 42114668.

It can be written as a sum of positive squares in 2 ways, for example, as 61340224 + 25300900 = 7832^2 + 5030^2 .

It is not an unprimeable number, because it can be changed into a prime (86641123) 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 3 ways as a sum of consecutive naturals, for example, 292559 + ... + 292854.

It is an arithmetic number, because the mean of its divisors is an integer number (12976677).

Almost surely, 2^86641124 is an apocalyptic number.

It is an amenable number.

86641124 is a deficient number, since it is larger than the sum of its proper divisors (69079000).

86641124 is a wasteful number, since it uses less digits than its factorization.

86641124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585454 (or 585452 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 86641124 is about 9308.1214001537. The cubic root of 86641124 is about 442.4946517489.

The spelling of 86641124 in words is "eighty-six million, six hundred forty-one thousand, one hundred twenty-four".