28526582297 has 2 divisors, whose sum is σ = 28526582298. Its totient is φ = 28526582296.

The previous prime is 28526582263. The next prime is 28526582317. The reversal of 28526582297 is 79228562582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26668196416 + 1858385881 = 163304^2 + 43109^2 .

It is a cyclic number.

It is not a de Polignac number, because 28526582297 - 2¹⁰ = 28526581273 is a prime.

It is not a weakly prime, because it can be changed into another prime (28526582207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14263291148 + 14263291149.

It is an arithmetic number, because the mean of its divisors is an integer number (14263291149).

Almost surely, 2^28526582297 is an apocalyptic number.

It is an amenable number.

28526582297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28526582297 is an equidigital number, since it uses as much as digits as its factorization.

28526582297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 56.

The spelling of 28526582297 in words is "twenty-eight billion, five hundred twenty-six million, five hundred eighty-two thousand, two hundred ninety-seven".