86557200 has 120 divisors (see below), whose sum is σ = 293650848. Its totient is φ = 21719040.

The previous prime is 86557193. The next prime is 86557201. The reversal of 86557200 is 275568.

It is a happy number.

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 (86557201) 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, 18279 + ... + 22521.

Almost surely, 2^86557200 is an apocalyptic number.

86557200 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 86557200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146825424).

86557200 is an abundant number, since it is smaller than the sum of its proper divisors (207093648).

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

86557200 is a wasteful number, since it uses less digits than its factorization.

86557200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4270 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 86557200 is about 9303.6122017204. The cubic root of 86557200 is about 442.3517330196.

The spelling of 86557200 in words is "eighty-six million, five hundred fifty-seven thousand, two hundred".