2067678611 has 4 divisors (see below), whose sum is σ = 2067778152. Its totient is φ = 2067579072.

The previous prime is 2067678589. The next prime is 2067678617. The reversal of 2067678611 is 1168767602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2067678611 - 2¹⁴ = 2067662227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2067678617) 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, 5465 + ... + 64538.

It is an arithmetic number, because the mean of its divisors is an integer number (516944538).

Almost surely, 2^2067678611 is an apocalyptic number.

2067678611 is a deficient number, since it is larger than the sum of its proper divisors (99541).

2067678611 is an equidigital number, since it uses as much as digits as its factorization.

2067678611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99540.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2067678611 is about 45471.7341982907. The cubic root of 2067678611 is about 1273.9753112137.

The spelling of 2067678611 in words is "two billion, sixty-seven million, six hundred seventy-eight thousand, six hundred eleven".