28935853983 has 6 divisors (see below), whose sum is σ = 41796233544. Its totient is φ = 19290569316.

The previous prime is 28935853937. The next prime is 28935853993. The reversal of 28935853983 is 38935853982.

28935853983 is a `hidden beast` number, since 2 + 8 + 93 + 5 + 8 + 539 + 8 + 3 = 666.

It is not a de Polignac number, because 28935853983 - 2¹⁶ = 28935788447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28935853983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28935853993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1607547435 + ... + 1607547452.

It is an arithmetic number, because the mean of its divisors is an integer number (6966038924).

Almost surely, 2^28935853983 is an apocalyptic number.

28935853983 is a deficient number, since it is larger than the sum of its proper divisors (12860379561).

28935853983 is a wasteful number, since it uses less digits than its factorization.

28935853983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215094893 (or 3215094890 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

Subtracting 28935853983 from its reverse (38935853982), we obtain a palindrome (9999999999).

The spelling of 28935853983 in words is "twenty-eight billion, nine hundred thirty-five million, eight hundred fifty-three thousand, nine hundred eighty-three".