28835226577 has 2 divisors, whose sum is σ = 28835226578. Its totient is φ = 28835226576.

The previous prime is 28835226533. The next prime is 28835226599. The reversal of 28835226577 is 77562253882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26748929601 + 2086296976 = 163551^2 + 45676^2 .

It is a cyclic number.

It is not a de Polignac number, because 28835226577 - 2⁷ = 28835226449 is a prime.

It is not a weakly prime, because it can be changed into another prime (28835226517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417613288 + 14417613289.

It is an arithmetic number, because the mean of its divisors is an integer number (14417613289).

Almost surely, 2^28835226577 is an apocalyptic number.

It is an amenable number.

28835226577 is a deficient number, since it is larger than the sum of its proper divisors (1).

28835226577 is an equidigital number, since it uses as much as digits as its factorization.

28835226577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 55.

The spelling of 28835226577 in words is "twenty-eight billion, eight hundred thirty-five million, two hundred twenty-six thousand, five hundred seventy-seven".