86550431508149 has 6 divisors (see below), whose sum is σ = 100681114203414. Its totient is φ = 74186084149800.

The previous prime is 86550431508077. The next prime is 86550431508209. The reversal of 86550431508149 is 94180513405568.

It can be written as a sum of positive squares in only one way, i.e., 83585123400100 + 2965308108049 = 9142490^2 + 1722007^2 .

It is not a de Polignac number, because 86550431508149 - 2²⁰ = 86550430459573 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 (86550431508649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 883167668402 + ... + 883167668499.

It is an arithmetic number, because the mean of its divisors is an integer number (16780185700569).

Almost surely, 2^{86550431508149} is an apocalyptic number.

It is an amenable number.

86550431508149 is a deficient number, since it is larger than the sum of its proper divisors (14130682695265).

86550431508149 is a wasteful number, since it uses less digits than its factorization.

86550431508149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766335336915 (or 1766335336908 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 86550431508149 in words is "eighty-six trillion, five hundred fifty billion, four hundred thirty-one million, five hundred eight thousand, one hundred forty-nine".