28851442667 has 2 divisors, whose sum is σ = 28851442668. Its totient is φ = 28851442666.

The previous prime is 28851442621. The next prime is 28851442681. The reversal of 28851442667 is 76624415882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28851442667 - 2¹⁴ = 28851426283 is a prime.

It is not a weakly prime, because it can be changed into another prime (28851442567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14425721333 + 14425721334.

It is an arithmetic number, because the mean of its divisors is an integer number (14425721334).

Almost surely, 2^28851442667 is an apocalyptic number.

28851442667 is a deficient number, since it is larger than the sum of its proper divisors (1).

28851442667 is an equidigital number, since it uses as much as digits as its factorization.

28851442667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 53.

The spelling of 28851442667 in words is "twenty-eight billion, eight hundred fifty-one million, four hundred forty-two thousand, six hundred sixty-seven".