2089889173877 has 4 divisors (see below), whose sum is σ = 2119324232736. Its totient is φ = 2060454115020.

The previous prime is 2089889173861. The next prime is 2089889173903. The reversal of 2089889173877 is 7783719889802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2089889173877 - 2⁴ = 2089889173861 is a prime.

It is a super-2 number, since 2×2089889173877² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2089889173798 and 2089889173807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089889173807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14717529323 + ... + 14717529464.

It is an arithmetic number, because the mean of its divisors is an integer number (529831058184).

Almost surely, 2^{2089889173877} is an apocalyptic number.

It is an amenable number.

2089889173877 is a deficient number, since it is larger than the sum of its proper divisors (29435058859).

2089889173877 is an equidigital number, since it uses as much as digits as its factorization.

2089889173877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29435058858.

The product of its (nonzero) digits is 682795008, while the sum is 77.

The spelling of 2089889173877 in words is "two trillion, eighty-nine billion, eight hundred eighty-nine million, one hundred seventy-three thousand, eight hundred seventy-seven".