86123180 has 48 divisors (see below), whose sum is σ = 212484384. Its totient is φ = 28907520.

The previous prime is 86123179. The next prime is 86123183. The reversal of 86123180 is 8132168.

It is not an unprimeable number, because it can be changed into a prime (86123183) 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, 12197 + ... + 17916.

It is an arithmetic number, because the mean of its divisors is an integer number (4426758).

Almost surely, 2^86123180 is an apocalyptic number.

It is an amenable number.

86123180 is an abundant number, since it is smaller than the sum of its proper divisors (126361204).

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

86123180 is a wasteful number, since it uses less digits than its factorization.

86123180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30146 (or 30144 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 86123180 is about 9280.2575395298. The cubic root of 86123180 is about 441.6111387808.

The spelling of 86123180 in words is "eighty-six million, one hundred twenty-three thousand, one hundred eighty".