1087660636884 has 96 divisors (see below), whose sum is σ = 2990701082880. Its totient is φ = 341105212800.

The previous prime is 1087660636831. The next prime is 1087660636903. The reversal of 1087660636884 is 4886360667801.

1087660636884 is a `hidden beast` number, since 10 + 8 + 7 + 6 + 606 + 3 + 6 + 8 + 8 + 4 = 666.

It is a super-2 number, since 2×1087660636884² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3437547 + ... + 3740594.

It is an arithmetic number, because the mean of its divisors is an integer number (31153136280).

Almost surely, 2^{1087660636884} is an apocalyptic number.

It is an amenable number.

1087660636884 is an abundant number, since it is smaller than the sum of its proper divisors (1903040445996).

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

1087660636884 is a wasteful number, since it uses less digits than its factorization.

1087660636884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178238 (or 7178230 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 1087660636884 in words is "one trillion, eighty-seven billion, six hundred sixty million, six hundred thirty-six thousand, eight hundred eighty-four".