86519008 has 72 divisors (see below), whose sum is σ = 188130600. Its totient is φ = 39055104.

The previous prime is 86519003. The next prime is 86519009. The reversal of 86519008 is 80091568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86519003) 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, 321498 + ... + 321766.

It is an arithmetic number, because the mean of its divisors is an integer number (2612925).

Almost surely, 2^86519008 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 86519008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94065300).

86519008 is an abundant number, since it is smaller than the sum of its proper divisors (101611592).

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

86519008 is a wasteful number, since it uses less digits than its factorization.

86519008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 86519008 is about 9301.5594391478. The cubic root of 86519008 is about 442.2866632053.

The spelling of 86519008 in words is "eighty-six million, five hundred nineteen thousand, eight".