86708400 has 120 divisors (see below), whose sum is σ = 292451520. Its totient is φ = 21899520.

The previous prime is 86708383. The next prime is 86708407. The reversal of 86708400 is 480768.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (86708407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20899 + ... + 24701.

It is an arithmetic number, because the mean of its divisors is an integer number (2437096).

Almost surely, 2^86708400 is an apocalyptic number.

86708400 is a gapful number since it is divisible by the number (80) 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 86708400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146225760).

86708400 is an abundant number, since it is smaller than the sum of its proper divisors (205743120).

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

86708400 is a wasteful number, since it uses less digits than its factorization.

86708400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 86708400 is about 9311.7345322985. The cubic root of 86708400 is about 442.6091530656.

The spelling of 86708400 in words is "eighty-six million, seven hundred eight thousand, four hundred".