28133477276 has 12 divisors (see below), whose sum is σ = 52129678608. Its totient is φ = 13239283392.

The previous prime is 28133477257. The next prime is 28133477279. The reversal of 28133477276 is 67277433182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28133477279) 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, 206863736 + ... + 206863871.

It is an arithmetic number, because the mean of its divisors is an integer number (4344139884).

Almost surely, 2^28133477276 is an apocalyptic number.

It is an amenable number.

28133477276 is a deficient number, since it is larger than the sum of its proper divisors (23996201332).

28133477276 is a wasteful number, since it uses less digits than its factorization.

28133477276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413727628 (or 413727626 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The spelling of 28133477276 in words is "twenty-eight billion, one hundred thirty-three million, four hundred seventy-seven thousand, two hundred seventy-six".