28645835707 has 2 divisors, whose sum is σ = 28645835708. Its totient is φ = 28645835706.

The previous prime is 28645835693. The next prime is 28645835717. The reversal of 28645835707 is 70753854682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28645835707 - 2³¹ = 26498352059 is a prime.

It is not a weakly prime, because it can be changed into another prime (28645835717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14322917853 + 14322917854.

It is an arithmetic number, because the mean of its divisors is an integer number (14322917854).

Almost surely, 2^28645835707 is an apocalyptic number.

28645835707 is a deficient number, since it is larger than the sum of its proper divisors (1).

28645835707 is an equidigital number, since it uses as much as digits as its factorization.

28645835707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 28645835707 in words is "twenty-eight billion, six hundred forty-five million, eight hundred thirty-five thousand, seven hundred seven".