1587038664 has 16 divisors (see below), whose sum is σ = 3967596720. Its totient is φ = 529012880.

The previous prime is 1587038657. The next prime is 1587038671. The reversal of 1587038664 is 4668307851.

It is an interprime number because it is at equal distance from previous prime (1587038657) and next prime (1587038671).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33063282 + ... + 33063329.

It is an arithmetic number, because the mean of its divisors is an integer number (247974795).

Almost surely, 2^1587038664 is an apocalyptic number.

It is an amenable number.

1587038664 is an abundant number, since it is smaller than the sum of its proper divisors (2380558056).

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

1587038664 is a wasteful number, since it uses less digits than its factorization.

1587038664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66126620 (or 66126616 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1587038664 is about 39837.6538465809. The cubic root of 1587038664 is about 1166.4402638042.

The spelling of 1587038664 in words is "one billion, five hundred eighty-seven million, thirty-eight thousand, six hundred sixty-four".