28568041577 has 2 divisors, whose sum is σ = 28568041578. Its totient is φ = 28568041576.

The previous prime is 28568041571. The next prime is 28568041583. The reversal of 28568041577 is 77514086582.

It is a balanced prime because it is at equal distance from previous prime (28568041571) and next prime (28568041583).

It can be written as a sum of positive squares in only one way, i.e., 27270889321 + 1297152256 = 165139^2 + 36016^2 .

It is a cyclic number.

It is not a de Polignac number, because 28568041577 - 2³⁰ = 27494299753 is a prime.

It is a super-2 number, since 2×28568041577² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28568041571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14284020788 + 14284020789.

It is an arithmetic number, because the mean of its divisors is an integer number (14284020789).

Almost surely, 2^28568041577 is an apocalyptic number.

It is an amenable number.

28568041577 is a deficient number, since it is larger than the sum of its proper divisors (1).

28568041577 is an equidigital number, since it uses as much as digits as its factorization.

28568041577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 28568041577 in words is "twenty-eight billion, five hundred sixty-eight million, forty-one thousand, five hundred seventy-seven".