86806488 has 64 divisors (see below), whose sum is σ = 231608160. Its totient is φ = 27017216.

The previous prime is 86806469. The next prime is 86806493. The reversal of 86806488 is 88460868.

It is a Cunningham number, because it is equal to 9317²-1.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

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, 55120 + ... + 56672.

Almost surely, 2^86806488 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 86806488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115804080).

86806488 is an abundant number, since it is smaller than the sum of its proper divisors (144801672).

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

86806488 is a wasteful number, since it uses less digits than its factorization.

86806488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 86806488 is about 9316.9999463347. Note that the first 4 decimals coincide. The cubic root of 86806488 is about 442.7759892125.

The spelling of 86806488 in words is "eighty-six million, eight hundred six thousand, four hundred eighty-eight".