28545312707 has 2 divisors, whose sum is σ = 28545312708. Its totient is φ = 28545312706.

The previous prime is 28545312689. The next prime is 28545312737. The reversal of 28545312707 is 70721354582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28545312707 - 2⁶ = 28545312643 is a prime.

It is not a weakly prime, because it can be changed into another prime (28545312737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272656353 + 14272656354.

It is an arithmetic number, because the mean of its divisors is an integer number (14272656354).

Almost surely, 2^28545312707 is an apocalyptic number.

28545312707 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545312707 is an equidigital number, since it uses as much as digits as its factorization.

28545312707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 28545312707 in words is "twenty-eight billion, five hundred forty-five million, three hundred twelve thousand, seven hundred seven".