2027187985 has 8 divisors (see below), whose sum is σ = 2439976896. Its totient is φ = 1616849520.

The previous prime is 2027187983. The next prime is 2027187989. The reversal of 2027187985 is 5897817202.

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

It is not a de Polignac number, because 2027187985 - 2¹ = 2027187983 is a prime.

It is a super-2 number, since 2×2027187985² = 8218982253056720450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2027187983) 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, 610789 + ... + 614098.

It is an arithmetic number, because the mean of its divisors is an integer number (304997112).

Almost surely, 2^2027187985 is an apocalyptic number.

It is an amenable number.

2027187985 is a deficient number, since it is larger than the sum of its proper divisors (412788911).

2027187985 is a wasteful number, since it uses less digits than its factorization.

2027187985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225223.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 2027187985 is about 45024.3043810784. The cubic root of 2027187985 is about 1265.6044927104.

The spelling of 2027187985 in words is "two billion, twenty-seven million, one hundred eighty-seven thousand, nine hundred eighty-five".