1028890763 has 4 divisors (see below), whose sum is σ = 1073625168. Its totient is φ = 984156360.

The previous prime is 1028890757. The next prime is 1028890781. The reversal of 1028890763 is 3670988201.

1028890763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028890763 - 2²⁰ = 1027842187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028890063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22367168 + ... + 22367213.

It is an arithmetic number, because the mean of its divisors is an integer number (268406292).

Almost surely, 2^1028890763 is an apocalyptic number.

1028890763 is a deficient number, since it is larger than the sum of its proper divisors (44734405).

1028890763 is an equidigital number, since it uses as much as digits as its factorization.

1028890763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44734404.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1028890763 is about 32076.3271432376. The cubic root of 1028890763 is about 1009.5389730039.

The spelling of 1028890763 in words is "one billion, twenty-eight million, eight hundred ninety thousand, seven hundred sixty-three".