1163978299 has 8 divisors (see below), whose sum is σ = 1274625792. Its totient is φ = 1054136040.

The previous prime is 1163978293. The next prime is 1163978303. The reversal of 1163978299 is 9928793611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163978299 - 2⁵ = 1163978267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163978293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198279 + ... + 204064.

It is an arithmetic number, because the mean of its divisors is an integer number (159328224).

Almost surely, 2^1163978299 is an apocalyptic number.

1163978299 is a deficient number, since it is larger than the sum of its proper divisors (110647493).

1163978299 is a wasteful number, since it uses less digits than its factorization.

1163978299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402617.

The product of its digits is 1469664, while the sum is 55.

The square root of 1163978299 is about 34117.1261831943. The cubic root of 1163978299 is about 1051.9173731049.

The spelling of 1163978299 in words is "one billion, one hundred sixty-three million, nine hundred seventy-eight thousand, two hundred ninety-nine".