28956288338 has 16 divisors (see below), whose sum is σ = 43657989120. Its totient is φ = 14403817296.

The previous prime is 28956288331. The next prime is 28956288341. The reversal of 28956288338 is 83388265982.

It is not an unprimeable number, because it can be changed into a prime (28956288331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256493 + ... + 351711.

It is an arithmetic number, because the mean of its divisors is an integer number (2728624320).

Almost surely, 2^28956288338 is an apocalyptic number.

28956288338 is a deficient number, since it is larger than the sum of its proper divisors (14701700782).

28956288338 is a wasteful number, since it uses less digits than its factorization.

28956288338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96001.

The product of its digits is 39813120, while the sum is 62.

The spelling of 28956288338 in words is "twenty-eight billion, nine hundred fifty-six million, two hundred eighty-eight thousand, three hundred thirty-eight".