1338582887 has 2 divisors, whose sum is σ = 1338582888. Its totient is φ = 1338582886.

The previous prime is 1338582863. The next prime is 1338582901. The reversal of 1338582887 is 7882858331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1338582887 - 2¹⁴ = 1338566503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338582827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669291443 + 669291444.

It is an arithmetic number, because the mean of its divisors is an integer number (669291444).

Almost surely, 2^1338582887 is an apocalyptic number.

1338582887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338582887 is an equidigital number, since it uses as much as digits as its factorization.

1338582887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 53.

The square root of 1338582887 is about 36586.6490266600. The cubic root of 1338582887 is about 1102.0849950857.

The spelling of 1338582887 in words is "one billion, three hundred thirty-eight million, five hundred eighty-two thousand, eight hundred eighty-seven".