1878647190080 has 112 divisors (see below), whose sum is σ = 4757364699120. Its totient is φ = 704166494208.

The previous prime is 1878647190073. The next prime is 1878647190089. The reversal of 1878647190080 is 800917468781.

It can be written as a sum of positive squares in 8 ways, for example, as 824115364864 + 1054531825216 = 907808^2 + 1026904^2 .

It is not an unprimeable number, because it can be changed into a prime (1878647190089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491744 + ... + 1999776.

Almost surely, 2^{1878647190080} is an apocalyptic number.

1878647190080 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 1878647190080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2378682349560).

1878647190080 is an abundant number, since it is smaller than the sum of its proper divisors (2878717509040).

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

1878647190080 is a wasteful number, since it uses less digits than its factorization.

1878647190080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508296 (or 1508286 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 59.

The spelling of 1878647190080 in words is "one trillion, eight hundred seventy-eight billion, six hundred forty-seven million, one hundred ninety thousand, eighty".