10828566778 has 8 divisors (see below), whose sum is σ = 16267425300. Its totient is φ = 5406091680.

The previous prime is 10828566769. The next prime is 10828566787. The reversal of 10828566778 is 87766582801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10828566769) and next prime (10828566787).

It can be written as a sum of positive squares in 2 ways, for example, as 8225220249 + 2603346529 = 90693^2 + 51023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094203 + ... + 4096846.

Almost surely, 2^10828566778 is an apocalyptic number.

10828566778 is a deficient number, since it is larger than the sum of its proper divisors (5438858522).

10828566778 is an equidigital number, since it uses as much as digits as its factorization.

10828566778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191712.

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 10828566778 in words is "ten billion, eight hundred twenty-eight million, five hundred sixty-six thousand, seven hundred seventy-eight".