28808374523 has 2 divisors, whose sum is σ = 28808374524. Its totient is φ = 28808374522.

The previous prime is 28808374429. The next prime is 28808374537. The reversal of 28808374523 is 32547380882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28808374523 - 2³⁰ = 27734632699 is a prime.

It is not a weakly prime, because it can be changed into another prime (28808373523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14404187261 + 14404187262.

It is an arithmetic number, because the mean of its divisors is an integer number (14404187262).

Almost surely, 2^28808374523 is an apocalyptic number.

28808374523 is a deficient number, since it is larger than the sum of its proper divisors (1).

28808374523 is an equidigital number, since it uses as much as digits as its factorization.

28808374523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 28808374523 in words is "twenty-eight billion, eight hundred eight million, three hundred seventy-four thousand, five hundred twenty-three".