28732676784 has 80 divisors (see below), whose sum is σ = 87122542848. Its totient is φ = 7987458816.

The previous prime is 28732676783. The next prime is 28732676881. The reversal of 28732676784 is 48767623782.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28732676783) 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 in 15 ways as a sum of consecutive naturals, for example, 1143162 + ... + 1168025.

Almost surely, 2^28732676784 is an apocalyptic number.

28732676784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28732676784 is an abundant number, since it is smaller than the sum of its proper divisors (58389866064).

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

28732676784 is a wasteful number, since it uses less digits than its factorization.

28732676784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311242 (or 2311236 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 60.

The spelling of 28732676784 in words is "twenty-eight billion, seven hundred thirty-two million, six hundred seventy-six thousand, seven hundred eighty-four".