1176978879 has 12 divisors (see below), whose sum is σ = 1709580600. Its totient is φ = 780267984.

The previous prime is 1176978877. The next prime is 1176978937. The reversal of 1176978879 is 9788796711.

It is not a de Polignac number, because 1176978879 - 2¹ = 1176978877 is a prime.

It is a super-3 number, since 3×1176978879³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1176978877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363684 + ... + 366905.

It is an arithmetic number, because the mean of its divisors is an integer number (142465050).

Almost surely, 2^1176978879 is an apocalyptic number.

1176978879 is a deficient number, since it is larger than the sum of its proper divisors (532601721).

1176978879 is a wasteful number, since it uses less digits than its factorization.

1176978879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730774 (or 730771 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 63.

The square root of 1176978879 is about 34307.1257758501. The cubic root of 1176978879 is about 1055.8192027554.

The spelling of 1176978879 in words is "one billion, one hundred seventy-six million, nine hundred seventy-eight thousand, eight hundred seventy-nine".