1162887379 has 2 divisors, whose sum is σ = 1162887380. Its totient is φ = 1162887378.

The previous prime is 1162887377. The next prime is 1162887421. The reversal of 1162887379 is 9737882611.

It is a weak prime.

It is an emirp because it is prime and its reverse (9737882611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1162887379 - 2¹ = 1162887377 is a prime.

Together with 1162887377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1162887377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581443689 + 581443690.

It is an arithmetic number, because the mean of its divisors is an integer number (581443690).

Almost surely, 2^1162887379 is an apocalyptic number.

1162887379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162887379 is an equidigital number, since it uses as much as digits as its factorization.

1162887379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The square root of 1162887379 is about 34101.1345705682. The cubic root of 1162887379 is about 1051.5886394854.

The spelling of 1162887379 in words is "one billion, one hundred sixty-two million, eight hundred eighty-seven thousand, three hundred seventy-nine".