1087067985 has 8 divisors (see below), whose sum is σ = 1739308800. Its totient is φ = 579769584.

The previous prime is 1087067981. The next prime is 1087068013. The reversal of 1087067985 is 5897607801.

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

It is not a de Polignac number, because 1087067985 - 2² = 1087067981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087067981) 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, 36235585 + ... + 36235614.

It is an arithmetic number, because the mean of its divisors is an integer number (217413600).

Almost surely, 2^1087067985 is an apocalyptic number.

1087067985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1087067985 is a deficient number, since it is larger than the sum of its proper divisors (652240815).

1087067985 is an equidigital number, since it uses as much as digits as its factorization.

1087067985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72471207.

The product of its (nonzero) digits is 846720, while the sum is 51.

The square root of 1087067985 is about 32970.7140505025. The cubic root of 1087067985 is about 1028.2188669452.

The spelling of 1087067985 in words is "one billion, eighty-seven million, sixty-seven thousand, nine hundred eighty-five".