28060577687 has 2 divisors, whose sum is σ = 28060577688. Its totient is φ = 28060577686.

The previous prime is 28060577659. The next prime is 28060577717. The reversal of 28060577687 is 78677506082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28060577687 - 2¹² = 28060573591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28060577647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14030288843 + 14030288844.

It is an arithmetic number, because the mean of its divisors is an integer number (14030288844).

Almost surely, 2^28060577687 is an apocalyptic number.

28060577687 is a deficient number, since it is larger than the sum of its proper divisors (1).

28060577687 is an equidigital number, since it uses as much as digits as its factorization.

28060577687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 28060577687 in words is "twenty-eight billion, sixty million, five hundred seventy-seven thousand, six hundred eighty-seven".