28089755578043 has 2 divisors, whose sum is σ = 28089755578044. Its totient is φ = 28089755578042.

The previous prime is 28089755577991. The next prime is 28089755578081. The reversal of 28089755578043 is 34087555798082.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28089755578043 is a prime.

It is not a weakly prime, because it can be changed into another prime (28089755578343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14044877789021 + 14044877789022.

It is an arithmetic number, because the mean of its divisors is an integer number (14044877789022).

Almost surely, 2^{28089755578043} is an apocalyptic number.

28089755578043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28089755578043 is an equidigital number, since it uses as much as digits as its factorization.

28089755578043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376000, while the sum is 71.

The spelling of 28089755578043 in words is "twenty-eight trillion, eighty-nine billion, seven hundred fifty-five million, five hundred seventy-eight thousand, forty-three".