1171678463 has 16 divisors (see below), whose sum is σ = 1220728320. Its totient is φ = 1123761600.

The previous prime is 1171678451. The next prime is 1171678481. The reversal of 1171678463 is 3648761711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1171678463 - 2¹⁰ = 1171677439 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 (1171678493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444328 + ... + 1445138.

It is an arithmetic number, because the mean of its divisors is an integer number (76295520).

Almost surely, 2^1171678463 is an apocalyptic number.

1171678463 is a deficient number, since it is larger than the sum of its proper divisors (49049857).

1171678463 is an equidigital number, since it uses as much as digits as its factorization.

1171678463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its digits is 169344, while the sum is 44.

The square root of 1171678463 is about 34229.7891170834. The cubic root of 1171678463 is about 1054.2318894073.

The spelling of 1171678463 in words is "one billion, one hundred seventy-one million, six hundred seventy-eight thousand, four hundred sixty-three".