1028764871 has 2 divisors, whose sum is σ = 1028764872. Its totient is φ = 1028764870.

The previous prime is 1028764787. The next prime is 1028764873. The reversal of 1028764871 is 1784678201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028764871 - 2¹⁰ = 1028763847 is a prime.

Together with 1028764873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028764873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514382435 + 514382436.

It is an arithmetic number, because the mean of its divisors is an integer number (514382436).

Almost surely, 2^1028764871 is an apocalyptic number.

1028764871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028764871 is an equidigital number, since it uses as much as digits as its factorization.

1028764871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 1028764871 is about 32074.3647014247. The cubic root of 1028764871 is about 1009.4977966002.

The spelling of 1028764871 in words is "one billion, twenty-eight million, seven hundred sixty-four thousand, eight hundred seventy-one".