1028802847 has 2 divisors, whose sum is σ = 1028802848. Its totient is φ = 1028802846.

The previous prime is 1028802839. The next prime is 1028802877. The reversal of 1028802847 is 7482088201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028802847 - 2³ = 1028802839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028802877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514401423 + 514401424.

It is an arithmetic number, because the mean of its divisors is an integer number (514401424).

Almost surely, 2^1028802847 is an apocalyptic number.

1028802847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028802847 is an equidigital number, since it uses as much as digits as its factorization.

1028802847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 1028802847 is about 32074.9566952163. The cubic root of 1028802847 is about 1009.5102180380.

The spelling of 1028802847 in words is "one billion, twenty-eight million, eight hundred two thousand, eight hundred forty-seven".