1158162977 has 2 divisors, whose sum is σ = 1158162978. Its totient is φ = 1158162976.

The previous prime is 1158162947. The next prime is 1158162991. The reversal of 1158162977 is 7792618511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954130321 + 204032656 = 30889^2 + 14284^2 .

It is an emirp because it is prime and its reverse (7792618511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1158162977 - 2¹⁴ = 1158146593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1158162947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579081488 + 579081489.

It is an arithmetic number, because the mean of its divisors is an integer number (579081489).

Almost surely, 2^1158162977 is an apocalyptic number.

It is an amenable number.

1158162977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158162977 is an equidigital number, since it uses as much as digits as its factorization.

1158162977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 47.

The square root of 1158162977 is about 34031.7936200841. The cubic root of 1158162977 is about 1050.1626284760.

The spelling of 1158162977 in words is "one billion, one hundred fifty-eight million, one hundred sixty-two thousand, nine hundred seventy-seven".