1163882978 has 16 divisors (see below), whose sum is σ = 1811595456. Its totient is φ = 560399280.

The previous prime is 1163882959. The next prime is 1163882999. The reversal of 1163882978 is 8792883611.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89201 + ... + 101412.

It is an arithmetic number, because the mean of its divisors is an integer number (113224716).

Almost surely, 2^1163882978 is an apocalyptic number.

1163882978 is a deficient number, since it is larger than the sum of its proper divisors (647712478).

1163882978 is a wasteful number, since it uses less digits than its factorization.

1163882978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190729.

The product of its digits is 1161216, while the sum is 53.

The square root of 1163882978 is about 34115.7291875756. The cubic root of 1163882978 is about 1051.8886576345. Note that the first 3 decimals are identical.

The spelling of 1163882978 in words is "one billion, one hundred sixty-three million, eight hundred eighty-two thousand, nine hundred seventy-eight".