86661852 has 36 divisors (see below), whose sum is σ = 214814040. Its totient is φ = 27186944.

The previous prime is 86661851. The next prime is 86661859. The reversal of 86661852 is 25816668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86661851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9027 + ... + 15962.

Almost surely, 2^86661852 is an apocalyptic number.

It is an amenable number.

86661852 is an abundant number, since it is smaller than the sum of its proper divisors (128152188).

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

86661852 is a wasteful number, since it uses less digits than its factorization.

86661852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030 (or 25011 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 86661852 is about 9309.2347698401. The cubic root of 86661852 is about 442.5299363704.

The spelling of 86661852 in words is "eighty-six million, six hundred sixty-one thousand, eight hundred fifty-two".