86530188 has 24 divisors (see below), whose sum is σ = 202227760. Its totient is φ = 28797120.

The previous prime is 86530181. The next prime is 86530193. The reversal of 86530188 is 88103568.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86530181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2478 + ... + 13386.

Almost surely, 2^86530188 is an apocalyptic number.

It is an amenable number.

86530188 is an abundant number, since it is smaller than the sum of its proper divisors (115697572).

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

86530188 is a wasteful number, since it uses less digits than its factorization.

86530188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11577 (or 11575 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 86530188 is about 9302.1603942310. The cubic root of 86530188 is about 442.3057131692.

The spelling of 86530188 in words is "eighty-six million, five hundred thirty thousand, one hundred eighty-eight".