203786428672 has 36 divisors (see below), whose sum is σ = 409212691776. Its totient is φ = 101283054080.

The previous prime is 203786428663. The next prime is 203786428679. The reversal of 203786428672 is 276824687302.

It is not an unprimeable number, because it can be changed into a prime (203786428679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340604 + ... + 2426107.

It is an arithmetic number, because the mean of its divisors is an integer number (11367019216).

Almost surely, 2^203786428672 is an apocalyptic number.

It is an amenable number.

203786428672 is an abundant number, since it is smaller than the sum of its proper divisors (205426263104).

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

203786428672 is an equidigital number, since it uses as much as digits as its factorization.

203786428672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766894 (or 4766880 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 203786428672 in words is "two hundred three billion, seven hundred eighty-six million, four hundred twenty-eight thousand, six hundred seventy-two".