87006660777000 has 192 divisors, whose sum is σ = 299631241737360. Its totient is φ = 22764006720000.

The previous prime is 87006660776983. The next prime is 87006660777037. The reversal of 87006660777000 is 77706660078.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30924565292196 + 56082095484804 = 5560986^2 + 7488798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90724951 + ... + 91678950.

Almost surely, 2^{87006660777000} is an apocalyptic number.

It is an amenable number.

87006660777000 is an abundant number, since it is smaller than the sum of its proper divisors (212624580960360).

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

87006660777000 is a wasteful number, since it uses less digits than its factorization.

87006660777000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182403981 (or 182403964 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 87006660777000 in words is "eighty-seven trillion, six billion, six hundred sixty million, seven hundred seventy-seven thousand".