2085766671767 has 8 divisors (see below), whose sum is σ = 2164333057920. Its totient is φ = 2008566657720.

The previous prime is 2085766671761. The next prime is 2085766671773. The reversal of 2085766671767 is 7671766675802.

It is an interprime number because it is at equal distance from previous prime (2085766671761) and next prime (2085766671773).

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 2085766671767 - 2²⁰ = 2085765623191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2085766671697 and 2085766671706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085766671761) 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, 341589917 + ... + 341596022.

It is an arithmetic number, because the mean of its divisors is an integer number (270541632240).

Almost surely, 2^{2085766671767} is an apocalyptic number.

2085766671767 is a deficient number, since it is larger than the sum of its proper divisors (78566386153).

2085766671767 is an equidigital number, since it uses as much as digits as its factorization.

2085766671767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683186053.

The product of its (nonzero) digits is 248935680, while the sum is 68.

The spelling of 2085766671767 in words is "two trillion, eighty-five billion, seven hundred sixty-six million, six hundred seventy-one thousand, seven hundred sixty-seven".