2077982279 has 2 divisors, whose sum is σ = 2077982280. Its totient is φ = 2077982278.

The previous prime is 2077982261. The next prime is 2077982281. The reversal of 2077982279 is 9722897702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2077982279 is a prime.

Together with 2077982281, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2077982279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077982239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038991139 + 1038991140.

It is an arithmetic number, because the mean of its divisors is an integer number (1038991140).

Almost surely, 2^2077982279 is an apocalyptic number.

2077982279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077982279 is an equidigital number, since it uses as much as digits as its factorization.

2077982279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 2077982279 is about 45584.8909069661. The cubic root of 2077982279 is about 1276.0879662023.

The spelling of 2077982279 in words is "two billion, seventy-seven million, nine hundred eighty-two thousand, two hundred seventy-nine".