28855262147 has 2 divisors, whose sum is σ = 28855262148. Its totient is φ = 28855262146.

The previous prime is 28855262143. The next prime is 28855262159. The reversal of 28855262147 is 74126255882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28855262147 - 2² = 28855262143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28855262095 and 28855262104.

It is not a weakly prime, because it can be changed into another prime (28855262143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14427631073 + 14427631074.

It is an arithmetic number, because the mean of its divisors is an integer number (14427631074).

Almost surely, 2^28855262147 is an apocalyptic number.

28855262147 is a deficient number, since it is larger than the sum of its proper divisors (1).

28855262147 is an equidigital number, since it uses as much as digits as its factorization.

28855262147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2150400, while the sum is 50.

The spelling of 28855262147 in words is "twenty-eight billion, eight hundred fifty-five million, two hundred sixty-two thousand, one hundred forty-seven".