2028081887 has 8 divisors (see below), whose sum is σ = 2192151360. Its totient is φ = 1865164320.

The previous prime is 2028081859. The next prime is 2028081889. The reversal of 2028081887 is 7881808202.

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

It is a cyclic number.

It is not a de Polignac number, because 2028081887 - 2²⁸ = 1759646431 is a prime.

It is a super-2 number, since 2×2028081887² = 8226232280754961538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028081889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284312 + ... + 291357.

It is an arithmetic number, because the mean of its divisors is an integer number (274018920).

Almost surely, 2^2028081887 is an apocalyptic number.

2028081887 is a deficient number, since it is larger than the sum of its proper divisors (164069473).

2028081887 is a wasteful number, since it uses less digits than its factorization.

2028081887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575953.

The product of its (nonzero) digits is 114688, while the sum is 44.

The square root of 2028081887 is about 45034.2301699496. The cubic root of 2028081887 is about 1265.7904909418.

The spelling of 2028081887 in words is "two billion, twenty-eight million, eighty-one thousand, eight hundred eighty-seven".