28542677297 has 2 divisors, whose sum is σ = 28542677298. Its totient is φ = 28542677296.

The previous prime is 28542677281. The next prime is 28542677351. The reversal of 28542677297 is 79277624582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15409746496 + 13132930801 = 124136^2 + 114599^2 .

It is a cyclic number.

It is not a de Polignac number, because 28542677297 - 2⁴ = 28542677281 is a prime.

It is not a weakly prime, because it can be changed into another prime (28542677227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14271338648 + 14271338649.

It is an arithmetic number, because the mean of its divisors is an integer number (14271338649).

Almost surely, 2^28542677297 is an apocalyptic number.

It is an amenable number.

28542677297 is a deficient number, since it is larger than the sum of its proper divisors (1).

28542677297 is an equidigital number, since it uses as much as digits as its factorization.

28542677297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23708160, while the sum is 59.

The spelling of 28542677297 in words is "twenty-eight billion, five hundred forty-two million, six hundred seventy-seven thousand, two hundred ninety-seven".