1087005005 has 4 divisors (see below), whose sum is σ = 1304406012. Its totient is φ = 869604000.

The previous prime is 1087004977. The next prime is 1087005011. The reversal of 1087005005 is 5005007801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148011556 + 938993449 = 12166^2 + 30643^2 .

It is not a de Polignac number, because 1087005005 - 2³⁰ = 13263181 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 108700496 + ... + 108700505.

It is an arithmetic number, because the mean of its divisors is an integer number (326101503).

Almost surely, 2^1087005005 is an apocalyptic number.

It is an amenable number.

1087005005 is a deficient number, since it is larger than the sum of its proper divisors (217401007).

1087005005 is an equidigital number, since it uses as much as digits as its factorization.

1087005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217401006.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1087005005 is about 32969.7589466468. The cubic root of 1087005005 is about 1028.1990097159.

The spelling of 1087005005 in words is "one billion, eighty-seven million, five thousand, five".