2077811 has 2 divisors, whose sum is σ = 2077812. Its totient is φ = 2077810.

The previous prime is 2077807. The next prime is 2077813. The reversal of 2077811 is 1187702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2077811 - 2² = 2077807 is a prime.

Together with 2077813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2077813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038905 + 1038906.

It is an arithmetic number, because the mean of its divisors is an integer number (1038906).

2^2077811 is an apocalyptic number.

2077811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077811 is an equidigital number, since it uses as much as digits as its factorization.

2077811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 2077811 is about 1441.4614112074. The cubic root of 2077811 is about 127.6052904454.

The spelling of 2077811 in words is "two million, seventy-seven thousand, eight hundred eleven".