187812828628 has 24 divisors (see below), whose sum is σ = 336109616640. Its totient is φ = 91794587040.

The previous prime is 187812828607. The next prime is 187812828629. The reversal of 187812828628 is 826828218781.

187812828628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187812828629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1577068 + ... + 1691971.

It is an arithmetic number, because the mean of its divisors is an integer number (14004567360).

Almost surely, 2^187812828628 is an apocalyptic number.

It is an amenable number.

187812828628 is a deficient number, since it is larger than the sum of its proper divisors (148296788012).

187812828628 is a wasteful number, since it uses less digits than its factorization.

187812828628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269367 (or 3269365 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 61.

The spelling of 187812828628 in words is "one hundred eighty-seven billion, eight hundred twelve million, eight hundred twenty-eight thousand, six hundred twenty-eight".