28873014473 has 2 divisors, whose sum is σ = 28873014474. Its totient is φ = 28873014472.

The previous prime is 28873014439. The next prime is 28873014497. The reversal of 28873014473 is 37441037882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26962625209 + 1910389264 = 164203^2 + 43708^2 .

It is a cyclic number.

It is not a de Polignac number, because 28873014473 - 2⁶ = 28873014409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28873014413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14436507236 + 14436507237.

It is an arithmetic number, because the mean of its divisors is an integer number (14436507237).

Almost surely, 2^28873014473 is an apocalyptic number.

It is an amenable number.

28873014473 is a deficient number, since it is larger than the sum of its proper divisors (1).

28873014473 is an equidigital number, since it uses as much as digits as its factorization.

28873014473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 28873014473 in words is "twenty-eight billion, eight hundred seventy-three million, fourteen thousand, four hundred seventy-three".