28545297107 has 2 divisors, whose sum is σ = 28545297108. Its totient is φ = 28545297106.

The previous prime is 28545297101. The next prime is 28545297133. The reversal of 28545297107 is 70179254582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28545297107 - 2⁶ = 28545297043 is a prime.

It is not a weakly prime, because it can be changed into another prime (28545297101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272648553 + 14272648554.

It is an arithmetic number, because the mean of its divisors is an integer number (14272648554).

Almost surely, 2^28545297107 is an apocalyptic number.

28545297107 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545297107 is an equidigital number, since it uses as much as digits as its factorization.

28545297107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 28545297107 in words is "twenty-eight billion, five hundred forty-five million, two hundred ninety-seven thousand, one hundred seven".