1887007260728 has 16 divisors (see below), whose sum is σ = 3540194501760. Its totient is φ = 942955393600.

The previous prime is 1887007260713. The next prime is 1887007260821. The reversal of 1887007260728 is 8270627007881.

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, 68514968 + ... + 68542503.

It is an arithmetic number, because the mean of its divisors is an integer number (221262156360).

Almost surely, 2^{1887007260728} is an apocalyptic number.

It is an amenable number.

1887007260728 is a deficient number, since it is larger than the sum of its proper divisors (1653187241032).

1887007260728 is a wasteful number, since it uses less digits than its factorization.

1887007260728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137059198 (or 137059194 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 56.

The spelling of 1887007260728 in words is "one trillion, eight hundred eighty-seven billion, seven million, two hundred sixty thousand, seven hundred twenty-eight".