2028887690067 has 32 divisors (see below), whose sum is σ = 3444217612800. Its totient is φ = 1156305344544.

The previous prime is 2028887690041. The next prime is 2028887690077. The reversal of 2028887690067 is 7600967888202.

It is not a de Polignac number, because 2028887690067 - 2³⁶ = 1960168213331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 2028887689986 and 2028887690013.

It is not an unprimeable number, because it can be changed into a prime (2028887690017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14090448 + ... + 14233709.

It is an arithmetic number, because the mean of its divisors is an integer number (107631800400).

Almost surely, 2^{2028887690067} is an apocalyptic number.

2028887690067 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2028887690067 is a deficient number, since it is larger than the sum of its proper divisors (1415329922733).

2028887690067 is a wasteful number, since it uses less digits than its factorization.

2028887690067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324552 (or 28324546 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 2028887690067 in words is "two trillion, twenty-eight billion, eight hundred eighty-seven million, six hundred ninety thousand, sixty-seven".