28385023276 has 6 divisors (see below), whose sum is σ = 49673790740. Its totient is φ = 14192511636.

The previous prime is 28385023253. The next prime is 28385023279. The reversal of 28385023276 is 67232058382.

It is not an unprimeable number, because it can be changed into a prime (28385023279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3548127906 + ... + 3548127913.

Almost surely, 2^28385023276 is an apocalyptic number.

It is an amenable number.

28385023276 is a deficient number, since it is larger than the sum of its proper divisors (21288767464).

28385023276 is a wasteful number, since it uses less digits than its factorization.

28385023276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096255823 (or 7096255821 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 28385023276 in words is "twenty-eight billion, three hundred eighty-five million, twenty-three thousand, two hundred seventy-six".