1878273560 has 32 divisors (see below), whose sum is σ = 4474712160. Its totient is φ = 707114496.

The previous prime is 1878273517. The next prime is 1878273569. The reversal of 1878273560 is 653728781.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878273569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380404 + ... + 1381763.

It is an arithmetic number, because the mean of its divisors is an integer number (139834755).

Almost surely, 2^1878273560 is an apocalyptic number.

1878273560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1878273560 is an abundant number, since it is smaller than the sum of its proper divisors (2596438600).

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

1878273560 is a wasteful number, since it uses less digits than its factorization.

1878273560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762195 (or 2762191 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1878273560 is about 43339.0535198913. The cubic root of 1878273560 is about 1233.8232459978.

The spelling of 1878273560 in words is "one billion, eight hundred seventy-eight million, two hundred seventy-three thousand, five hundred sixty".