86115580 has 24 divisors (see below), whose sum is σ = 185255280. Its totient is φ = 33605760.

The previous prime is 86115577. The next prime is 86115583. The reversal of 86115580 is 8551168.

It is an interprime number because it is at equal distance from previous prime (86115577) and next prime (86115583).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86115583) 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, 51690 + ... + 53329.

It is an arithmetic number, because the mean of its divisors is an integer number (7718970).

Almost surely, 2^86115580 is an apocalyptic number.

It is an amenable number.

86115580 is an abundant number, since it is smaller than the sum of its proper divisors (99139700).

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

86115580 is a wasteful number, since it uses less digits than its factorization.

86115580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105069 (or 105067 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 86115580 is about 9279.8480591010. The cubic root of 86115580 is about 441.5981483045.

The spelling of 86115580 in words is "eighty-six million, one hundred fifteen thousand, five hundred eighty".