86403109 has 6 divisors (see below), whose sum is σ = 93560946. Its totient is φ = 79756560.

The previous prime is 86403067. The next prime is 86403131. The reversal of 86403109 is 90130468.

It can be written as a sum of positive squares in 3 ways, for example, as 12271009 + 74132100 = 3503^2 + 8610^2 .

It is a de Polignac number, because none of the positive numbers 2^k-86403109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86403139) 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 5 ways as a sum of consecutive naturals, for example, 255462 + ... + 255799.

It is an arithmetic number, because the mean of its divisors is an integer number (15593491).

Almost surely, 2^86403109 is an apocalyptic number.

It is an amenable number.

86403109 is a deficient number, since it is larger than the sum of its proper divisors (7157837).

86403109 is a wasteful number, since it uses less digits than its factorization.

86403109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511287 (or 511274 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86403109 is about 9295.3272669659. The cubic root of 86403109 is about 442.0890823908.

The spelling of 86403109 in words is "eighty-six million, four hundred three thousand, one hundred nine".