86509075 has 6 divisors (see below), whose sum is σ = 107271284. Its totient is φ = 69207240.

The previous prime is 86509069. The next prime is 86509097. The reversal of 86509075 is 57090568.

It is a happy number.

It is not a de Polignac number, because 86509075 - 2³ = 86509067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1730157 + ... + 1730206.

Almost surely, 2^86509075 is an apocalyptic number.

86509075 is a deficient number, since it is larger than the sum of its proper divisors (20762209).

86509075 is a wasteful number, since it uses less digits than its factorization.

86509075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460373 (or 3460368 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 86509075 is about 9301.0254810962. The cubic root of 86509075 is about 442.2697366684.

The spelling of 86509075 in words is "eighty-six million, five hundred nine thousand, seventy-five".