1887957134028 has 144 divisors (see below), whose sum is σ = 5586982861824. Its totient is φ = 526343304960.

The previous prime is 1887957134003. The next prime is 1887957134099. The reversal of 1887957134028 is 8204317597881.

1887957134028 is a `hidden beast` number, since 1 + 8 + 8 + 7 + 9 + 571 + 34 + 0 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3679576 + ... + 4161152.

It is an arithmetic number, because the mean of its divisors is an integer number (38798492096).

Almost surely, 2^{1887957134028} is an apocalyptic number.

1887957134028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1887957134028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2793491430912).

1887957134028 is an abundant number, since it is smaller than the sum of its proper divisors (3699025727796).

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

1887957134028 is a wasteful number, since it uses less digits than its factorization.

1887957134028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481972 (or 481967 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 1887957134028 in words is "one trillion, eight hundred eighty-seven billion, nine hundred fifty-seven million, one hundred thirty-four thousand, twenty-eight".