28983428907876 has 27 divisors (see below), whose sum is σ = 73263749168883. Its totient is φ = 9661132202040.

The previous prime is 28983428907871. The next prime is 28983428907997. The reversal of 28983428907876 is 67870982438982.

The square root of 28983428907876 is 5383626.

It is a perfect power (a square), and thus also a powerful number.

28983428907876 is a `hidden beast` number, since 28 + 9 + 8 + 3 + 428 + 90 + 7 + 87 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28983428907795 and 28983428907804.

It is not an unprimeable number, because it can be changed into a prime (28983428907871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31853121 + ... + 32750391.

Almost surely, 2^{28983428907876} is an apocalyptic number.

28983428907876 is the 5383626-th square number.

It is an amenable number.

28983428907876 is an abundant number, since it is smaller than the sum of its proper divisors (44280320261007).

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

28983428907876 is an frugal number, since it uses more digits than its factorization.

28983428907876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794552 (or 897276 counting only the distinct ones).

The product of its (nonzero) digits is 4682022912, while the sum is 81.

The spelling of 28983428907876 in words is "twenty-eight trillion, nine hundred eighty-three billion, four hundred twenty-eight million, nine hundred seven thousand, eight hundred seventy-six".