86718808 has 32 divisors (see below), whose sum is σ = 178698960. Its totient is φ = 39124480.

The previous prime is 86718803. The next prime is 86718829. The reversal of 86718808 is 80881768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86718803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8460 + ... + 15652.

Almost surely, 2^86718808 is an apocalyptic number.

86718808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86718808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89349480).

86718808 is an abundant number, since it is smaller than the sum of its proper divisors (91980152).

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

86718808 is a wasteful number, since it uses less digits than its factorization.

86718808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7347 (or 7343 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 86718808 is about 9312.2933802582. The cubic root of 86718808 is about 442.6268618141.

The spelling of 86718808 in words is "eighty-six million, seven hundred eighteen thousand, eight hundred eight".