1587428873 has 16 divisors (see below), whose sum is σ = 1758836736. Its totient is φ = 1426014720.

The previous prime is 1587428861. The next prime is 1587428879. The reversal of 1587428873 is 3788247851.

It is a cyclic number.

It is not a de Polignac number, because 1587428873 - 2⁶ = 1587428809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1587428879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17840 + ... + 59102.

It is an arithmetic number, because the mean of its divisors is an integer number (109927296).

Almost surely, 2^1587428873 is an apocalyptic number.

It is an amenable number.

1587428873 is a deficient number, since it is larger than the sum of its proper divisors (171407863).

1587428873 is a wasteful number, since it uses less digits than its factorization.

1587428873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41384.

The product of its digits is 3010560, while the sum is 53.

The square root of 1587428873 is about 39842.5510352939. The cubic root of 1587428873 is about 1166.5358544580.

The spelling of 1587428873 in words is "one billion, five hundred eighty-seven million, four hundred twenty-eight thousand, eight hundred seventy-three".