1164085979 has 4 divisors (see below), whose sum is σ = 1330383984. Its totient is φ = 997787976.

The previous prime is 1164085973. The next prime is 1164086009. The reversal of 1164085979 is 9795804611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1164085979 - 2⁴ = 1164085963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164085973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83148992 + ... + 83149005.

It is an arithmetic number, because the mean of its divisors is an integer number (332595996).

Almost surely, 2^1164085979 is an apocalyptic number.

1164085979 is a deficient number, since it is larger than the sum of its proper divisors (166298005).

1164085979 is an equidigital number, since it uses as much as digits as its factorization.

1164085979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166298004.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 1164085979 is about 34118.7042397568. The cubic root of 1164085979 is about 1051.9498098408.

The spelling of 1164085979 in words is "one billion, one hundred sixty-four million, eighty-five thousand, nine hundred seventy-nine".