1873727991980 has 48 divisors (see below), whose sum is σ = 4238212700064. Its totient is φ = 691722961920.

The previous prime is 1873727991979. The next prime is 1873727991991. The reversal of 1873727991980 is 891997273781.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 974900 + ... + 2167460.

It is an arithmetic number, because the mean of its divisors is an integer number (88296097918).

Almost surely, 2^{1873727991980} is an apocalyptic number.

1873727991980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873727991980 is an abundant number, since it is smaller than the sum of its proper divisors (2364484708084).

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

1873727991980 is a wasteful number, since it uses less digits than its factorization.

1873727991980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198626 (or 1198624 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 71.

The spelling of 1873727991980 in words is "one trillion, eight hundred seventy-three billion, seven hundred twenty-seven million, nine hundred ninety-one thousand, nine hundred eighty".