1828085788872 has 96 divisors (see below), whose sum is σ = 5708434942080. Its totient is φ = 517687994880.

The previous prime is 1828085788849. The next prime is 1828085788927. The reversal of 1828085788872 is 2788875808281.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1828085788872.

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 23 ways as a sum of consecutive naturals, for example, 15992404 + ... + 16106307.

It is an arithmetic number, because the mean of its divisors is an integer number (59462863980).

Almost surely, 2^{1828085788872} is an apocalyptic number.

1828085788872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1828085788872 is an abundant number, since it is smaller than the sum of its proper divisors (3880349153208).

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

1828085788872 is a wasteful number, since it uses less digits than its factorization.

1828085788872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32098843 (or 32098836 counting only the distinct ones).

The product of its (nonzero) digits is 256901120, while the sum is 72.

The spelling of 1828085788872 in words is "one trillion, eight hundred twenty-eight billion, eighty-five million, seven hundred eighty-eight thousand, eight hundred seventy-two".