1164131977 has 2 divisors, whose sum is σ = 1164131978. Its totient is φ = 1164131976.

The previous prime is 1164131963. The next prime is 1164131981. The reversal of 1164131977 is 7791314611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602015296 + 562116681 = 24536^2 + 23709^2 .

It is an emirp because it is prime and its reverse (7791314611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1164131977 - 2⁷ = 1164131849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164131987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582065988 + 582065989.

It is an arithmetic number, because the mean of its divisors is an integer number (582065989).

Almost surely, 2^1164131977 is an apocalyptic number.

It is an amenable number.

1164131977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164131977 is an equidigital number, since it uses as much as digits as its factorization.

1164131977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 40.

The square root of 1164131977 is about 34119.3783208311. The cubic root of 1164131977 is about 1051.9636653322.

The spelling of 1164131977 in words is "one billion, one hundred sixty-four million, one hundred thirty-one thousand, nine hundred seventy-seven".