86994180 has 288 divisors, whose sum is σ = 334623744. Its totient is φ = 17805312.

The previous prime is 86994121. The next prime is 86994223. The reversal of 86994180 is 8149968.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 769804 + ... + 769916.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888).

Almost surely, 2^86994180 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 86994180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167311872).

86994180 is an abundant number, since it is smaller than the sum of its proper divisors (247629564).

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

86994180 is a wasteful number, since it uses less digits than its factorization.

86994180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 86994180 is about 9327.0670631233. The cubic root of 86994180 is about 443.0948812221.

The spelling of 86994180 in words is "eighty-six million, nine hundred ninety-four thousand, one hundred eighty".