28668500467 has 2 divisors, whose sum is σ = 28668500468. Its totient is φ = 28668500466.

The previous prime is 28668500461. The next prime is 28668500501. The reversal of 28668500467 is 76400586682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28668500467 is a prime.

It is not a weakly prime, because it can be changed into another prime (28668500461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14334250233 + 14334250234.

It is an arithmetic number, because the mean of its divisors is an integer number (14334250234).

Almost surely, 2^28668500467 is an apocalyptic number.

28668500467 is a deficient number, since it is larger than the sum of its proper divisors (1).

28668500467 is an equidigital number, since it uses as much as digits as its factorization.

28668500467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 28668500467 in words is "twenty-eight billion, six hundred sixty-eight million, five hundred thousand, four hundred sixty-seven".