86580044 has 12 divisors (see below), whose sum is σ = 153591144. Its totient is φ = 42696864.

The previous prime is 86580041. The next prime is 86580047. The reversal of 86580044 is 44008568.

It is an interprime number because it is at equal distance from previous prime (86580041) and next prime (86580047).

It is a super-2 number, since 2×86580044² = 14992208038083872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86579986 and 86580013.

It is not an unprimeable number, because it can be changed into a prime (86580041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147962 + ... + 148545.

It is an arithmetic number, because the mean of its divisors is an integer number (12799262).

Almost surely, 2^86580044 is an apocalyptic number.

It is an amenable number.

86580044 is a deficient number, since it is larger than the sum of its proper divisors (67011100).

86580044 is a wasteful number, since it uses less digits than its factorization.

86580044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296584 (or 296582 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 86580044 is about 9304.8398159238. The cubic root of 86580044 is about 442.3906444529.

The spelling of 86580044 in words is "eighty-six million, five hundred eighty thousand, forty-four".