2187876960 has 192 divisors, whose sum is σ = 7772889600. Its totient is φ = 574649856.

The previous prime is 2187876919. The next prime is 2187876979. The reversal of 2187876960 is 696787812.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2187876897 and 2187876906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285661 + ... + 293219.

It is an arithmetic number, because the mean of its divisors is an integer number (40483800).

Almost surely, 2^2187876960 is an apocalyptic number.

2187876960 is a gapful number since it is divisible by the number (20) 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 2187876960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3886444800).

2187876960 is an abundant number, since it is smaller than the sum of its proper divisors (5585012640).

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

2187876960 is a wasteful number, since it uses less digits than its factorization.

2187876960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650 (or 7636 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 2187876960 is about 46774.7470329878. The cubic root of 2187876960 is about 1298.1980873734.

The spelling of 2187876960 in words is "two billion, one hundred eighty-seven million, eight hundred seventy-six thousand, nine hundred sixty".