28758056056783 has 2 divisors, whose sum is σ = 28758056056784. Its totient is φ = 28758056056782.

The previous prime is 28758056056771. The next prime is 28758056056801. The reversal of 28758056056783 is 38765065085782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28758056056783 - 2¹³ = 28758056048591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28758056006783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379028028391 + 14379028028392.

It is an arithmetic number, because the mean of its divisors is an integer number (14379028028392).

Almost surely, 2^{28758056056783} is an apocalyptic number.

28758056056783 is a deficient number, since it is larger than the sum of its proper divisors (1).

28758056056783 is an equidigital number, since it uses as much as digits as its factorization.

28758056056783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376000, while the sum is 70.

The spelling of 28758056056783 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, fifty-six thousand, seven hundred eighty-three".