86132599409 has 4 divisors (see below), whose sum is σ = 86894834916. Its totient is φ = 85370363904.

The previous prime is 86132599373. The next prime is 86132599459. The reversal of 86132599409 is 90499523168.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25848600625 + 60283998784 = 160775^2 + 245528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86132599409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86132599459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381117584 + ... + 381117809.

It is an arithmetic number, because the mean of its divisors is an integer number (21723708729).

Almost surely, 2^86132599409 is an apocalyptic number.

It is an amenable number.

86132599409 is a deficient number, since it is larger than the sum of its proper divisors (762235507).

86132599409 is a wasteful number, since it uses less digits than its factorization.

86132599409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762235506.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 86132599409 in words is "eighty-six billion, one hundred thirty-two million, five hundred ninety-nine thousand, four hundred nine".