1878544586880 has 1792 divisors, whose sum is σ = 7635702896640. Its totient is φ = 438581329920.

The previous prime is 1878544586749. The next prime is 1878544586887. The reversal of 1878544586880 is 886854458781.

1878544586880 is a `hidden beast` number, since 1 + 8 + 78 + 544 + 5 + 8 + 6 + 8 + 8 + 0 = 666.

It is a super-2 number, since 2×1878544586880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 1878544586799 and 1878544586808.

It is not an unprimeable number, because it can be changed into a prime (1878544586887) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 18238296909 + ... + 18238297011.

It is an arithmetic number, because the mean of its divisors is an integer number (4260994920).

Almost surely, 2^{1878544586880} is an apocalyptic number.

1878544586880 is a gapful number since it is divisible by the number (10) 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 1878544586880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817851448320).

1878544586880 is an abundant number, since it is smaller than the sum of its proper divisors (5757158309760).

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

1878544586880 is a wasteful number, since it uses less digits than its factorization.

1878544586880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 550502400, while the sum is 72.

The spelling of 1878544586880 in words is "one trillion, eight hundred seventy-eight billion, five hundred forty-four million, five hundred eighty-six thousand, eight hundred eighty".