1873260778228 has 48 divisors (see below), whose sum is σ = 3981988733184. Its totient is φ = 752727928320.

The previous prime is 1873260778201. The next prime is 1873260778267. The reversal of 1873260778228 is 8228770623781.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7356603 + ... + 7606978.

It is an arithmetic number, because the mean of its divisors is an integer number (82958098608).

Almost surely, 2^{1873260778228} is an apocalyptic number.

It is an amenable number.

1873260778228 is an abundant number, since it is smaller than the sum of its proper divisors (2108727954956).

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

1873260778228 is a wasteful number, since it uses less digits than its factorization.

1873260778228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14963872 (or 14963870 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 61.

The spelling of 1873260778228 in words is "one trillion, eight hundred seventy-three billion, two hundred sixty million, seven hundred seventy-eight thousand, two hundred twenty-eight".