86708736 has 120 divisors (see below), whose sum is σ = 258745344. Its totient is φ = 27924480.

The previous prime is 86708731. The next prime is 86708759. The reversal of 86708736 is 63780768.

It is a junction number, because it is equal to n+sod(n) for n = 86708691 and 86708700.

It is not an unprimeable number, because it can be changed into a prime (86708731) 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, 142545 + ... + 143151.

Almost surely, 2^86708736 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 86708736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129372672).

86708736 is an abundant number, since it is smaller than the sum of its proper divisors (172036608).

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

86708736 is a wasteful number, since it uses less digits than its factorization.

86708736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 86708736 is about 9311.7525740325. The cubic root of 86708736 is about 442.6097247768.

The spelling of 86708736 in words is "eighty-six million, seven hundred eight thousand, seven hundred thirty-six".