86610208 has 48 divisors (see below), whose sum is σ = 180774720. Its totient is φ = 40732416.

The previous prime is 86610191. The next prime is 86610241. The reversal of 86610208 is 80201668.

It is a self number, because there is not a number n which added to its sum of digits gives 86610208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101110 + ... + 101962.

It is an arithmetic number, because the mean of its divisors is an integer number (3766140).

Almost surely, 2^86610208 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 86610208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90387360).

86610208 is an abundant number, since it is smaller than the sum of its proper divisors (94164512).

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

86610208 is a wasteful number, since it uses less digits than its factorization.

86610208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 86610208 is about 9306.4605516813. The cubic root of 86610208 is about 442.4420139579.

The spelling of 86610208 in words is "eighty-six million, six hundred ten thousand, two hundred eight".