86077188 has 96 divisors (see below), whose sum is σ = 238533120. Its totient is φ = 26749440.

The previous prime is 86077183. The next prime is 86077217. The reversal of 86077188 is 88177068.

It is not an unprimeable number, because it can be changed into a prime (86077183) 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 31 ways as a sum of consecutive naturals, for example, 317493 + ... + 317763.

It is an arithmetic number, because the mean of its divisors is an integer number (2484720).

Almost surely, 2^86077188 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 86077188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119266560).

86077188 is an abundant number, since it is smaller than the sum of its proper divisors (152455932).

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

86077188 is a wasteful number, since it uses less digits than its factorization.

86077188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 86077188 is about 9277.7792601463. The cubic root of 86077188 is about 441.5325142029.

The spelling of 86077188 in words is "eighty-six million, seventy-seven thousand, one hundred eighty-eight".