28272481079 has 2 divisors, whose sum is σ = 28272481080. Its totient is φ = 28272481078.

The previous prime is 28272481009. The next prime is 28272481169. The reversal of 28272481079 is 97018427282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28272481079 - 2²⁰ = 28271432503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28272481009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14136240539 + 14136240540.

It is an arithmetic number, because the mean of its divisors is an integer number (14136240540).

Almost surely, 2^28272481079 is an apocalyptic number.

28272481079 is a deficient number, since it is larger than the sum of its proper divisors (1).

28272481079 is an equidigital number, since it uses as much as digits as its factorization.

28272481079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 28272481079 in words is "twenty-eight billion, two hundred seventy-two million, four hundred eighty-one thousand, seventy-nine".