28308454483307 has 2 divisors, whose sum is σ = 28308454483308. Its totient is φ = 28308454483306.

The previous prime is 28308454483271. The next prime is 28308454483339. The reversal of 28308454483307 is 70338445480382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28308454483307 - 2⁸ = 28308454483051 is a prime.

It is not a weakly prime, because it can be changed into another prime (28308454483357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14154227241653 + 14154227241654.

It is an arithmetic number, because the mean of its divisors is an integer number (14154227241654).

Almost surely, 2^{28308454483307} is an apocalyptic number.

28308454483307 is a deficient number, since it is larger than the sum of its proper divisors (1).

28308454483307 is an equidigital number, since it uses as much as digits as its factorization.

28308454483307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61931520, while the sum is 59.

The spelling of 28308454483307 in words is "twenty-eight trillion, three hundred eight billion, four hundred fifty-four million, four hundred eighty-three thousand, three hundred seven".