1888521888872 has 32 divisors (see below), whose sum is σ = 3727658949600. Its totient is φ = 894487852224.

The previous prime is 1888521888871. The next prime is 1888521888881. The reversal of 1888521888872 is 2788881258881.

It is a self number, because there is not a number n which added to its sum of digits gives 1888521888872.

It is not an unprimeable number, because it can be changed into a prime (1888521888871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314698 + ... + 2346374.

It is an arithmetic number, because the mean of its divisors is an integer number (116489342175).

Almost surely, 2^{1888521888872} is an apocalyptic number.

It is an amenable number.

1888521888872 is a deficient number, since it is larger than the sum of its proper divisors (1839137060728).

1888521888872 is a wasteful number, since it uses less digits than its factorization.

1888521888872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043745 (or 1043741 counting only the distinct ones).

The product of its digits is 293601280, while the sum is 74.

The spelling of 1888521888872 in words is "one trillion, eight hundred eighty-eight billion, five hundred twenty-one million, eight hundred eighty-eight thousand, eight hundred seventy-two".