1887028044672 has 64 divisors (see below), whose sum is σ = 5022463680000. Its totient is φ = 627748744704.

The previous prime is 1887028044667. The next prime is 1887028044691. The reversal of 1887028044672 is 2764408207881.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4732368 + ... + 5115599.

It is an arithmetic number, because the mean of its divisors is an integer number (78475995000).

Almost surely, 2^{1887028044672} is an apocalyptic number.

1887028044672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1887028044672 is an abundant number, since it is smaller than the sum of its proper divisors (3135435635328).

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

1887028044672 is an equidigital number, since it uses as much as digits as its factorization.

1887028044672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848483 (or 9848471 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 57.

The spelling of 1887028044672 in words is "one trillion, eight hundred eighty-seven billion, twenty-eight million, forty-four thousand, six hundred seventy-two".