86084109 has 6 divisors (see below), whose sum is σ = 124343726. Its totient is φ = 57389400.

The previous prime is 86084099. The next prime is 86084111. The reversal of 86084109 is 90148068.

It is a happy number.

86084109 is a `hidden beast` number, since 8 + 608 + 41 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73102500 + 12981609 = 8550^2 + 3603^2 .

It is not a de Polignac number, because 86084109 - 2⁷ = 86083981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86084129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4782442 + ... + 4782459.

Almost surely, 2^86084109 is an apocalyptic number.

It is an amenable number.

86084109 is a deficient number, since it is larger than the sum of its proper divisors (38259617).

86084109 is a wasteful number, since it uses less digits than its factorization.

86084109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564907 (or 9564904 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 86084109 is about 9278.1522406134. The cubic root of 86084109 is about 441.5443476309.

The spelling of 86084109 in words is "eighty-six million, eighty-four thousand, one hundred nine".