1878273106020 has 36 divisors (see below), whose sum is σ = 5697428422140. Its totient is φ = 500872828224.

The previous prime is 1878273106007. The next prime is 1878273106091. The reversal of 1878273106020 is 206013728781.

1878273106020 is a `hidden beast` number, since 1 + 8 + 7 + 8 + 2 + 7 + 31 + 0 + 602 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 449296727616 + 1428976378404 = 670296^2 + 1195398^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5217425115 + ... + 5217425474.

It is an arithmetic number, because the mean of its divisors is an integer number (158261900615).

Almost surely, 2^{1878273106020} is an apocalyptic number.

1878273106020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1878273106020 is an abundant number, since it is smaller than the sum of its proper divisors (3819155316120).

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

1878273106020 is a wasteful number, since it uses less digits than its factorization.

1878273106020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434850604 (or 10434850599 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 1878273106020 in words is "one trillion, eight hundred seventy-eight billion, two hundred seventy-three million, one hundred six thousand, twenty".