28956130983 has 24 divisors (see below), whose sum is σ = 45244897152. Its totient is φ = 17739235008.

The previous prime is 28956130939. The next prime is 28956130997. The reversal of 28956130983 is 38903165982.

28956130983 is a `hidden beast` number, since 289 + 56 + 1 + 309 + 8 + 3 = 666.

It is not a de Polignac number, because 28956130983 - 2¹³ = 28956122791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28956132983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528816 + ... + 580997.

It is an arithmetic number, because the mean of its divisors is an integer number (1885204048).

Almost surely, 2^28956130983 is an apocalyptic number.

28956130983 is a deficient number, since it is larger than the sum of its proper divisors (16288766169).

28956130983 is a wasteful number, since it uses less digits than its factorization.

28956130983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110055 (or 1110052 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 28956130983 in words is "twenty-eight billion, nine hundred fifty-six million, one hundred thirty thousand, nine hundred eighty-three".