87536168564 has 12 divisors (see below), whose sum is σ = 164972010084. Its totient is φ = 40401308544.

The previous prime is 87536168543. The next prime is 87536168591. The reversal of 87536168564 is 46586163578.

It can be written as a sum of positive squares in 2 ways, for example, as 18839758564 + 68696410000 = 137258^2 + 262100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841693877 + ... + 841693980.

It is an arithmetic number, because the mean of its divisors is an integer number (13747667507).

Almost surely, 2^87536168564 is an apocalyptic number.

It is an amenable number.

87536168564 is a deficient number, since it is larger than the sum of its proper divisors (77435841520).

87536168564 is a wasteful number, since it uses less digits than its factorization.

87536168564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683387874 (or 1683387872 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 59.

The spelling of 87536168564 in words is "eighty-seven billion, five hundred thirty-six million, one hundred sixty-eight thousand, five hundred sixty-four".