1163801077 has 2 divisors, whose sum is σ = 1163801078. Its totient is φ = 1163801076.

The previous prime is 1163801027. The next prime is 1163801131. The reversal of 1163801077 is 7701083611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881258596 + 282542481 = 29686^2 + 16809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163801077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163801027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581900538 + 581900539.

It is an arithmetic number, because the mean of its divisors is an integer number (581900539).

Almost surely, 2^1163801077 is an apocalyptic number.

It is an amenable number.

1163801077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163801077 is an equidigital number, since it uses as much as digits as its factorization.

1163801077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1163801077 is about 34114.5288257071. The cubic root of 1163801077 is about 1051.8639836894.

Adding to 1163801077 its reverse (7701083611), we get a palindrome (8864884688).

The spelling of 1163801077 in words is "one billion, one hundred sixty-three million, eight hundred one thousand, seventy-seven".