86136648 has 32 divisors (see below), whose sum is σ = 231907200. Its totient is φ = 26503488.

The previous prime is 86136647. The next prime is 86136667. The reversal of 86136648 is 84663168.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (86136647) 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, 137728 + ... + 138351.

It is an arithmetic number, because the mean of its divisors is an integer number (7247100).

Almost surely, 2^86136648 is an apocalyptic number.

It is an amenable number.

86136648 is an abundant number, since it is smaller than the sum of its proper divisors (145770552).

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

86136648 is a wasteful number, since it uses less digits than its factorization.

86136648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276101 (or 276097 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 86136648 is about 9280.9831375776. The cubic root of 86136648 is about 441.6341573952.

The spelling of 86136648 in words is "eighty-six million, one hundred thirty-six thousand, six hundred forty-eight".