86529645459 has 12 divisors (see below), whose sum is σ = 124997853552. Its totient is φ = 57681543600.

The previous prime is 86529645451. The next prime is 86529645481. The reversal of 86529645459 is 95454692568.

It is a happy number.

86529645459 is a `hidden beast` number, since 8 + 6 + 5 + 29 + 64 + 545 + 9 = 666.

It is not a de Polignac number, because 86529645459 - 2³ = 86529645451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86529645396 and 86529645405.

It is not an unprimeable number, because it can be changed into a prime (86529645451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293407 + ... + 509064.

It is an arithmetic number, because the mean of its divisors is an integer number (10416487796).

Almost surely, 2^86529645459 is an apocalyptic number.

86529645459 is a deficient number, since it is larger than the sum of its proper divisors (38468208093).

86529645459 is a wasteful number, since it uses less digits than its factorization.

86529645459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814458 (or 814455 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 86529645459 in words is "eighty-six billion, five hundred twenty-nine million, six hundred forty-five thousand, four hundred fifty-nine".