1163399327 has 4 divisors (see below), whose sum is σ = 1163482320. Its totient is φ = 1163316336.

The previous prime is 1163399311. The next prime is 1163399339. The reversal of 1163399327 is 7239933611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7239933611 = 101 ⋅71682511.

It is a cyclic number.

It is not a de Polignac number, because 1163399327 - 2⁴ = 1163399311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163399387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14702 + ... + 50427.

It is an arithmetic number, because the mean of its divisors is an integer number (290870580).

Almost surely, 2^1163399327 is an apocalyptic number.

1163399327 is a deficient number, since it is larger than the sum of its proper divisors (82993).

1163399327 is an equidigital number, since it uses as much as digits as its factorization.

1163399327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82992.

The product of its digits is 183708, while the sum is 44.

The square root of 1163399327 is about 34108.6400637727. The cubic root of 1163399327 is about 1051.7429335090.

The spelling of 1163399327 in words is "one billion, one hundred sixty-three million, three hundred ninety-nine thousand, three hundred twenty-seven".