1587317316 has 48 divisors (see below), whose sum is σ = 4096459584. Its totient is φ = 475203456.

The previous prime is 1587317293. The next prime is 1587317317. The reversal of 1587317316 is 6137137851.

It is not an unprimeable number, because it can be changed into a prime (1587317317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131730 + ... + 143273.

It is an arithmetic number, because the mean of its divisors is an integer number (85342908).

Almost surely, 2^1587317316 is an apocalyptic number.

It is an amenable number.

1587317316 is an abundant number, since it is smaller than the sum of its proper divisors (2509142268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1587317316 is a wasteful number, since it uses less digits than its factorization.

1587317316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275060 (or 275058 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 1587317316 is about 39841.1510375893. The cubic root of 1587317316 is about 1166.5085276087.

The spelling of 1587317316 in words is "one billion, five hundred eighty-seven million, three hundred seventeen thousand, three hundred sixteen".