86555370564 has 54 divisors (see below), whose sum is σ = 236917601466. Its totient is φ = 26632419840.

The previous prime is 86555370557. The next prime is 86555370569. The reversal of 86555370564 is 46507355568.

It is a happy number.

86555370564 is a `hidden beast` number, since 8 + 6 + 5 + 5 + 5 + 3 + 70 + 564 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5927768064 + 80627602500 = 76992^2 + 283950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86555370564.

It is not an unprimeable number, because it can be changed into a prime (86555370569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7107277 + ... + 7119444.

Almost surely, 2^86555370564 is an apocalyptic number.

It is an amenable number.

86555370564 is an abundant number, since it is smaller than the sum of its proper divisors (150362230902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86555370564 is a wasteful number, since it uses less digits than its factorization.

86555370564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226757 (or 14226739 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 54.

The spelling of 86555370564 in words is "eighty-six billion, five hundred fifty-five million, three hundred seventy thousand, five hundred sixty-four".