86187008 has 44 divisors (see below), whose sum is σ = 182461392. Its totient is φ = 40550400.

The previous prime is 86186963. The next prime is 86187011. The reversal of 86187008 is 80078168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14933 + ... + 19883.

Almost surely, 2^86187008 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 86187008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91230696).

86187008 is an abundant number, since it is smaller than the sum of its proper divisors (96274384).

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

86187008 is a wasteful number, since it uses less digits than its factorization.

86187008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 86187008 is about 9283.6958157837. The cubic root of 86187008 is about 441.7202081209.

The spelling of 86187008 in words is "eighty-six million, one hundred eighty-seven thousand, eight".