1028763847 has 2 divisors, whose sum is σ = 1028763848. Its totient is φ = 1028763846.

The previous prime is 1028763817. The next prime is 1028763851. The reversal of 1028763847 is 7483678201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028763847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1028763797 and 1028763806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028763817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514381923 + 514381924.

It is an arithmetic number, because the mean of its divisors is an integer number (514381924).

Almost surely, 2^1028763847 is an apocalyptic number.

1028763847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028763847 is an equidigital number, since it uses as much as digits as its factorization.

1028763847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1028763847 is about 32074.3487385169. The cubic root of 1028763847 is about 1009.4974616594.

The spelling of 1028763847 in words is "one billion, twenty-eight million, seven hundred sixty-three thousand, eight hundred forty-seven".