86641080 has 64 divisors (see below), whose sum is σ = 261424800. Its totient is φ = 22970880.

The previous prime is 86641057. The next prime is 86641081. The reversal of 86641080 is 8014668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86641081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19726 + ... + 23714.

Almost surely, 2^86641080 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 86641080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130712400).

86641080 is an abundant number, since it is smaller than the sum of its proper divisors (174783720).

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

86641080 is a wasteful number, since it uses less digits than its factorization.

86641080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184 (or 4180 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 86641080 is about 9308.1190366260. The cubic root of 86641080 is about 442.4945768431.

The spelling of 86641080 in words is "eighty-six million, six hundred forty-one thousand, eighty".