1587428886 has 16 divisors (see below), whose sum is σ = 3191482368. Its totient is φ = 526372200.

The previous prime is 1587428879. The next prime is 1587428897. The reversal of 1587428886 is 6888247851.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691450 + ... + 693741.

It is an arithmetic number, because the mean of its divisors is an integer number (199467648).

Almost surely, 2^1587428886 is an apocalyptic number.

1587428886 is an abundant number, since it is smaller than the sum of its proper divisors (1604053482).

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

1587428886 is a wasteful number, since it uses less digits than its factorization.

1587428886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385387.

The product of its digits is 6881280, while the sum is 57.

The square root of 1587428886 is about 39842.5511984361. The cubic root of 1587428886 is about 1166.5358576424.

The spelling of 1587428886 in words is "one billion, five hundred eighty-seven million, four hundred twenty-eight thousand, eight hundred eighty-six".