86018980 has 48 divisors (see below), whose sum is σ = 192036096. Its totient is φ = 32253440.

The previous prime is 86018953. The next prime is 86018981. The reversal of 86018980 is 8981068.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86018981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146247 + ... + 146833.

It is an arithmetic number, because the mean of its divisors is an integer number (4000752).

Almost surely, 2^86018980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86018980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96018048).

86018980 is an abundant number, since it is smaller than the sum of its proper divisors (106017116).

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

86018980 is a wasteful number, since it uses less digits than its factorization.

86018980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 86018980 is about 9274.6417720578. The cubic root of 86018980 is about 441.4329658767.

The spelling of 86018980 in words is "eighty-six million, eighteen thousand, nine hundred eighty".