1316883887 has 4 divisors (see below), whose sum is σ = 1436600616. Its totient is φ = 1197167160.

The previous prime is 1316883877. The next prime is 1316883889. The reversal of 1316883887 is 7883886131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1316883887 - 2¹⁰ = 1316882863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316883889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59858348 + ... + 59858369.

It is an arithmetic number, because the mean of its divisors is an integer number (359150154).

Almost surely, 2^1316883887 is an apocalyptic number.

1316883887 is a deficient number, since it is larger than the sum of its proper divisors (119716729).

1316883887 is a wasteful number, since it uses less digits than its factorization.

1316883887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119716728.

The product of its digits is 1548288, while the sum is 53.

The square root of 1316883887 is about 36288.8948164587. The cubic root of 1316883887 is about 1096.0974345398.

The spelling of 1316883887 in words is "one billion, three hundred sixteen million, eight hundred eighty-three thousand, eight hundred eighty-seven".