1087136885 has 8 divisors (see below), whose sum is σ = 1305148416. Its totient is φ = 869320080.

The previous prime is 1087136867. The next prime is 1087136903. The reversal of 1087136885 is 5886317801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1087136867) and next prime (1087136903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1087136885 - 2⁶ = 1087136821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36101 + ... + 58970.

It is an arithmetic number, because the mean of its divisors is an integer number (163143552).

Almost surely, 2^1087136885 is an apocalyptic number.

It is an amenable number.

1087136885 is a deficient number, since it is larger than the sum of its proper divisors (218011531).

1087136885 is an equidigital number, since it uses as much as digits as its factorization.

1087136885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97363.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 1087136885 is about 32971.7589006107. The cubic root of 1087136885 is about 1028.2405898378.

The spelling of 1087136885 in words is "one billion, eighty-seven million, one hundred thirty-six thousand, eight hundred eighty-five".