28610765207 has 2 divisors, whose sum is σ = 28610765208. Its totient is φ = 28610765206.

The previous prime is 28610765201. The next prime is 28610765257. The reversal of 28610765207 is 70256701682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28610765207 - 2⁴ = 28610765191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28610765201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14305382603 + 14305382604.

It is an arithmetic number, because the mean of its divisors is an integer number (14305382604).

Almost surely, 2^28610765207 is an apocalyptic number.

28610765207 is a deficient number, since it is larger than the sum of its proper divisors (1).

28610765207 is an equidigital number, since it uses as much as digits as its factorization.

28610765207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 28610765207 in words is "twenty-eight billion, six hundred ten million, seven hundred sixty-five thousand, two hundred seven".