1487871505 has 16 divisors (see below), whose sum is σ = 1847232000. Its totient is φ = 1149281280.

The previous prime is 1487871503. The next prime is 1487871521. The reversal of 1487871505 is 5051787841.

It is not a de Polignac number, because 1487871505 - 2¹ = 1487871503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1487871503) 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, 58906 + ... + 80284.

It is an arithmetic number, because the mean of its divisors is an integer number (115452000).

Almost surely, 2^1487871505 is an apocalyptic number.

It is an amenable number.

1487871505 is a deficient number, since it is larger than the sum of its proper divisors (359360495).

1487871505 is a wasteful number, since it uses less digits than its factorization.

1487871505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21864.

The product of its (nonzero) digits is 313600, while the sum is 46.

The square root of 1487871505 is about 38572.9374691635. The cubic root of 1487871505 is about 1141.6206315523.

The spelling of 1487871505 in words is "one billion, four hundred eighty-seven million, eight hundred seventy-one thousand, five hundred five".