86187068 has 48 divisors (see below), whose sum is σ = 171279360. Its totient is φ = 37593600.

The previous prime is 86187041. The next prime is 86187091. The reversal of 86187068 is 86078168.

86187068 = T₈₇ + T₈₈ + ... + T₈₀₂.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243980 + ... + 244332.

It is an arithmetic number, because the mean of its divisors is an integer number (3568320).

Almost surely, 2^86187068 is an apocalyptic number.

It is an amenable number.

86187068 is a deficient number, since it is larger than the sum of its proper divisors (85092292).

86187068 is a wasteful number, since it uses less digits than its factorization.

86187068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 86187068 is about 9283.6990472548. The cubic root of 86187068 is about 441.7203106236.

Subtracting from 86187068 its reverse (86078168), we obtain a square (108900 = 330²).

The spelling of 86187068 in words is "eighty-six million, one hundred eighty-seven thousand, sixty-eight".