28578704983 has 2 divisors, whose sum is σ = 28578704984. Its totient is φ = 28578704982.

The previous prime is 28578704939. The next prime is 28578705031. The reversal of 28578704983 is 38940787582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28578704983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28578704933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14289352491 + 14289352492.

It is an arithmetic number, because the mean of its divisors is an integer number (14289352492).

Almost surely, 2^28578704983 is an apocalyptic number.

28578704983 is a deficient number, since it is larger than the sum of its proper divisors (1).

28578704983 is an equidigital number, since it uses as much as digits as its factorization.

28578704983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 28578704983 in words is "twenty-eight billion, five hundred seventy-eight million, seven hundred four thousand, nine hundred eighty-three".