86518528556 has 24 divisors (see below), whose sum is σ = 157084937856. Its totient is φ = 41651285760.

The previous prime is 86518528549. The next prime is 86518528559. The reversal of 86518528556 is 65582581568.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86518528495 and 86518528504.

It is not an unprimeable number, because it can be changed into a prime (86518528559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746461 + ... + 1795316.

It is an arithmetic number, because the mean of its divisors is an integer number (6545205744).

Almost surely, 2^86518528556 is an apocalyptic number.

It is an amenable number.

86518528556 is a deficient number, since it is larger than the sum of its proper divisors (70566409300).

86518528556 is a wasteful number, since it uses less digits than its factorization.

86518528556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542009 (or 3542007 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 59.

The spelling of 86518528556 in words is "eighty-six billion, five hundred eighteen million, five hundred twenty-eight thousand, five hundred fifty-six".