86567131828509 has 16 divisors (see below), whose sum is σ = 115744816332288. Its totient is φ = 57550652563712.

The previous prime is 86567131828481. The next prime is 86567131828537. The reversal of 86567131828509 is 90582813176568.

It is an interprime number because it is at equal distance from previous prime (86567131828481) and next prime (86567131828537).

It is a cyclic number.

It is not a de Polignac number, because 86567131828509 - 2⁸ = 86567131828253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86567131828609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25699437 + ... + 28872050.

It is an arithmetic number, because the mean of its divisors is an integer number (7234051020768).

Almost surely, 2^{86567131828509} is an apocalyptic number.

It is an amenable number.

86567131828509 is a deficient number, since it is larger than the sum of its proper divisors (29177684503779).

86567131828509 is a wasteful number, since it uses less digits than its factorization.

86567131828509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54572964.

The product of its (nonzero) digits is 174182400, while the sum is 69.

The spelling of 86567131828509 in words is "eighty-six trillion, five hundred sixty-seven billion, one hundred thirty-one million, eight hundred twenty-eight thousand, five hundred nine".