87506328512 has 14 divisors (see below), whose sum is σ = 173645370768. Its totient is φ = 43753164224.

The previous prime is 87506328499. The next prime is 87506328529. The reversal of 87506328512 is 21582360578.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683643128 + ... + 683643255.

Almost surely, 2^87506328512 is an apocalyptic number.

It is an amenable number.

87506328512 is a deficient number, since it is larger than the sum of its proper divisors (86139042256).

87506328512 is a wasteful number, since it uses less digits than its factorization.

87506328512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367286395 (or 1367286385 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 87506328512 in words is "eighty-seven billion, five hundred six million, three hundred twenty-eight thousand, five hundred twelve".