86548788 has 36 divisors (see below), whose sum is σ = 222908868. Its totient is φ = 28304640.

The previous prime is 86548783. The next prime is 86548801. The reversal of 86548788 is 88784568.

86548788 is a `hidden beast` number, since 86 + 5 + 487 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23155344 + 63393444 = 4812^2 + 7962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86548783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20773 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (6191913).

Almost surely, 2^86548788 is an apocalyptic number.

It is an amenable number.

86548788 is an abundant number, since it is smaller than the sum of its proper divisors (136360080).

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

86548788 is a wasteful number, since it uses less digits than its factorization.

86548788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45424 (or 45419 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 86548788 is about 9303.1601082643. The cubic root of 86548788 is about 442.3374026757.

The spelling of 86548788 in words is "eighty-six million, five hundred forty-eight thousand, seven hundred eighty-eight".