86540075 has 6 divisors (see below), whose sum is σ = 107309724. Its totient is φ = 69232040.

The previous prime is 86540071. The next prime is 86540093. The reversal of 86540075 is 57004568.

It is not a de Polignac number, because 86540075 - 2² = 86540071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86540071) 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, 1730777 + ... + 1730826.

It is an arithmetic number, because the mean of its divisors is an integer number (17884954).

Almost surely, 2^86540075 is an apocalyptic number.

86540075 is a deficient number, since it is larger than the sum of its proper divisors (20769649).

86540075 is a wasteful number, since it uses less digits than its factorization.

86540075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461613 (or 3461608 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 86540075 is about 9302.6918147384. The cubic root of 86540075 is about 442.3225585813.

The spelling of 86540075 in words is "eighty-six million, five hundred forty thousand, seventy-five".