1063567799 has 4 divisors (see below), whose sum is σ = 1215506064. Its totient is φ = 911629536.

The previous prime is 1063567793. The next prime is 1063567819. The reversal of 1063567799 is 9977653601.

It is a happy number.

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 1063567799 - 2⁸ = 1063567543 is a prime.

It is a super-2 number, since 2×1063567799² = 2262352926139408802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1063567799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063567793) 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, 75969122 + ... + 75969135.

It is an arithmetic number, because the mean of its divisors is an integer number (303876516).

Almost surely, 2^1063567799 is an apocalyptic number.

1063567799 is a deficient number, since it is larger than the sum of its proper divisors (151938265).

1063567799 is an equidigital number, since it uses as much as digits as its factorization.

1063567799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151938264.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The square root of 1063567799 is about 32612.3872017980. The cubic root of 1063567799 is about 1020.7554953232.

The spelling of 1063567799 in words is "one billion, sixty-three million, five hundred sixty-seven thousand, seven hundred ninety-nine".