28906828675 has 6 divisors (see below), whose sum is σ = 35844467588. Its totient is φ = 23125462920.

The previous prime is 28906828673. The next prime is 28906828729. The reversal of 28906828675 is 57682860982.

It is not a de Polignac number, because 28906828675 - 2¹ = 28906828673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28906828673) 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, 578136549 + ... + 578136598.

Almost surely, 2^28906828675 is an apocalyptic number.

28906828675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28906828675 is a deficient number, since it is larger than the sum of its proper divisors (6937638913).

28906828675 is a wasteful number, since it uses less digits than its factorization.

28906828675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156273157 (or 1156273152 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 28906828675 in words is "twenty-eight billion, nine hundred six million, eight hundred twenty-eight thousand, six hundred seventy-five".