86545072764 has 36 divisors (see below), whose sum is σ = 218857668120. Its totient is φ = 28836363360.

The previous prime is 86545072741. The next prime is 86545072781. The reversal of 86545072764 is 46727054568.

It is a happy number.

86545072764 is a `hidden beast` number, since 8 + 6 + 54 + 507 + 27 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 86545072764.

It is a congruent number.

It is an unprimeable number.

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, 411759 + ... + 585350.

It is an arithmetic number, because the mean of its divisors is an integer number (6079379670).

Almost surely, 2^86545072764 is an apocalyptic number.

It is an amenable number.

86545072764 is an abundant number, since it is smaller than the sum of its proper divisors (132312595356).

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

86545072764 is a wasteful number, since it uses less digits than its factorization.

86545072764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999530 (or 999525 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 86545072764 in words is "eighty-six billion, five hundred forty-five million, seventy-two thousand, seven hundred sixty-four".