2068877939 has 2 divisors, whose sum is σ = 2068877940. Its totient is φ = 2068877938.

The previous prime is 2068877887. The next prime is 2068877957. The reversal of 2068877939 is 9397788602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2068877939 is a prime.

It is a super-3 number, since 3×2068877939³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2068876939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034438969 + 1034438970.

It is an arithmetic number, because the mean of its divisors is an integer number (1034438970).

Almost surely, 2^2068877939 is an apocalyptic number.

2068877939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068877939 is an equidigital number, since it uses as much as digits as its factorization.

2068877939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The square root of 2068877939 is about 45484.9199075914. The cubic root of 2068877939 is about 1274.2215807796.

The spelling of 2068877939 in words is "two billion, sixty-eight million, eight hundred seventy-seven thousand, nine hundred thirty-nine".