1158043877 has 2 divisors, whose sum is σ = 1158043878. Its totient is φ = 1158043876.

The previous prime is 1158043829. The next prime is 1158043903. The reversal of 1158043877 is 7783408511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1156408036 + 1635841 = 34006^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158043877 - 2¹² = 1158039781 is a prime.

It is a super-2 number, since 2×1158043877² = 2682131242114382258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158048877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579021938 + 579021939.

It is an arithmetic number, because the mean of its divisors is an integer number (579021939).

Almost surely, 2^1158043877 is an apocalyptic number.

It is an amenable number.

1158043877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158043877 is an equidigital number, since it uses as much as digits as its factorization.

1158043877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 1158043877 is about 34030.0437407888. The cubic root of 1158043877 is about 1050.1266293236.

The spelling of 1158043877 in words is "one billion, one hundred fifty-eight million, forty-three thousand, eight hundred seventy-seven".