1087638806684 has 48 divisors (see below), whose sum is σ = 1938856550400. Its totient is φ = 533786210496.

The previous prime is 1087638806671. The next prime is 1087638806719. The reversal of 1087638806684 is 4866088367801.

1087638806684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1087638806684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37804697 + ... + 37833455.

It is an arithmetic number, because the mean of its divisors is an integer number (40392844800).

Almost surely, 2^{1087638806684} is an apocalyptic number.

It is an amenable number.

1087638806684 is a deficient number, since it is larger than the sum of its proper divisors (851217743716).

1087638806684 is a wasteful number, since it uses less digits than its factorization.

1087638806684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29682 (or 29680 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 65.

The spelling of 1087638806684 in words is "one trillion, eighty-seven billion, six hundred thirty-eight million, eight hundred six thousand, six hundred eighty-four".