1587880881 has 8 divisors (see below), whose sum is σ = 2352416160. Its totient is φ = 1058587236.

The previous prime is 1587880829. The next prime is 1587880891. The reversal of 1587880881 is 1880887851.

It is not a de Polignac number, because 1587880881 - 2⁷ = 1587880753 is a prime.

It is a super-2 number, since 2×1587880881² = 5042731384490672322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1587880891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29405175 + ... + 29405228.

It is an arithmetic number, because the mean of its divisors is an integer number (294052020).

Almost surely, 2^1587880881 is an apocalyptic number.

It is an amenable number.

1587880881 is a deficient number, since it is larger than the sum of its proper divisors (764535279).

1587880881 is an equidigital number, since it uses as much as digits as its factorization.

1587880881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58810412 (or 58810406 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 54.

The square root of 1587880881 is about 39848.2230595042. The cubic root of 1587880881 is about 1166.6465646151.

The spelling of 1587880881 in words is "one billion, five hundred eighty-seven million, eight hundred eighty thousand, eight hundred eighty-one".