1028738747 has 2 divisors, whose sum is σ = 1028738748. Its totient is φ = 1028738746.

The previous prime is 1028738741. The next prime is 1028738783. The reversal of 1028738747 is 7478378201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028738747 - 2¹⁴ = 1028722363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028738741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514369373 + 514369374.

It is an arithmetic number, because the mean of its divisors is an integer number (514369374).

Almost surely, 2^1028738747 is an apocalyptic number.

1028738747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028738747 is an equidigital number, since it uses as much as digits as its factorization.

1028738747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 1028738747 is about 32073.9574577257. The cubic root of 1028738747 is about 1009.4892516144.

The spelling of 1028738747 in words is "one billion, twenty-eight million, seven hundred thirty-eight thousand, seven hundred forty-seven".