1028764783 has 2 divisors, whose sum is σ = 1028764784. Its totient is φ = 1028764782.

The previous prime is 1028764777. The next prime is 1028764787. The reversal of 1028764783 is 3874678201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3874678201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1028764783 - 2¹³ = 1028756591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028764787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514382391 + 514382392.

It is an arithmetic number, because the mean of its divisors is an integer number (514382392).

Almost surely, 2^1028764783 is an apocalyptic number.

1028764783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028764783 is an equidigital number, since it uses as much as digits as its factorization.

1028764783 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 1028764783 is about 32074.3633296126. The cubic root of 1028764783 is about 1009.4977678162.

The spelling of 1028764783 in words is "one billion, twenty-eight million, seven hundred sixty-four thousand, seven hundred eighty-three".