28617823742611 has 2 divisors, whose sum is σ = 28617823742612. Its totient is φ = 28617823742610.

The previous prime is 28617823742593. The next prime is 28617823742657. The reversal of 28617823742611 is 11624732871682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28617823742611 - 2¹⁷ = 28617823611539 is a prime.

It is not a weakly prime, because it can be changed into another prime (28617823742111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14308911871305 + 14308911871306.

It is an arithmetic number, because the mean of its divisors is an integer number (14308911871306).

Almost surely, 2^{28617823742611} is an apocalyptic number.

28617823742611 is a deficient number, since it is larger than the sum of its proper divisors (1).

28617823742611 is an equidigital number, since it uses as much as digits as its factorization.

28617823742611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 58.

The spelling of 28617823742611 in words is "twenty-eight trillion, six hundred seventeen billion, eight hundred twenty-three million, seven hundred forty-two thousand, six hundred eleven".