1028763806 has 32 divisors (see below), whose sum is σ = 1931739840. Its totient is φ = 400651776.

The previous prime is 1028763787. The next prime is 1028763817. The reversal of 1028763806 is 6083678201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67625 + ... + 81428.

It is an arithmetic number, because the mean of its divisors is an integer number (60366870).

Almost surely, 2^1028763806 is an apocalyptic number.

1028763806 is a deficient number, since it is larger than the sum of its proper divisors (902976034).

1028763806 is a wasteful number, since it uses less digits than its factorization.

1028763806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149108.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1028763806 is about 32074.3480993769. The cubic root of 1028763806 is about 1009.4974482487.

The spelling of 1028763806 in words is "one billion, twenty-eight million, seven hundred sixty-three thousand, eight hundred six".