2077122811 has 4 divisors (see below), whose sum is σ = 2108124712. Its totient is φ = 2046120912.

The previous prime is 2077122809. The next prime is 2077122829. The reversal of 2077122811 is 1182217702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1182217702 = 2 ⋅591108851.

It is a cyclic number.

It is not a de Polignac number, because 2077122811 - 2¹ = 2077122809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2077122511) 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, 15500850 + ... + 15500983.

It is an arithmetic number, because the mean of its divisors is an integer number (527031178).

Almost surely, 2^2077122811 is an apocalyptic number.

2077122811 is a deficient number, since it is larger than the sum of its proper divisors (31001901).

2077122811 is an equidigital number, since it uses as much as digits as its factorization.

2077122811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31001900.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 2077122811 is about 45575.4628171783. The cubic root of 2077122811 is about 1275.9120089726.

The spelling of 2077122811 in words is "two billion, seventy-seven million, one hundred twenty-two thousand, eight hundred eleven".