86581080 has 48 divisors (see below), whose sum is σ = 281389680. Its totient is φ = 23088192.

The previous prime is 86581067. The next prime is 86581091. The reversal of 86581080 is 8018568.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 119892 + ... + 120611.

It is an arithmetic number, because the mean of its divisors is an integer number (5862285).

Almost surely, 2^86581080 is an apocalyptic number.

It is an amenable number.

86581080 is an abundant number, since it is smaller than the sum of its proper divisors (194808600).

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

86581080 is a wasteful number, since it uses less digits than its factorization.

86581080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240520 (or 240513 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 86581080 is about 9304.8954857107. The cubic root of 86581080 is about 442.3924089661.

The spelling of 86581080 in words is "eighty-six million, five hundred eighty-one thousand, eighty".