2006679979 has 2 divisors, whose sum is σ = 2006679980. Its totient is φ = 2006679978.

The previous prime is 2006679977. The next prime is 2006679989. The reversal of 2006679979 is 9799766002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2006679979 - 2¹ = 2006679977 is a prime.

It is a super-3 number, since 3×2006679979³ (a number of 29 digits) contains 333 as substring.

Together with 2006679977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2006679971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003339989 + 1003339990.

It is an arithmetic number, because the mean of its divisors is an integer number (1003339990).

Almost surely, 2^2006679979 is an apocalyptic number.

2006679979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006679979 is an equidigital number, since it uses as much as digits as its factorization.

2006679979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The square root of 2006679979 is about 44795.9817282756. The cubic root of 2006679979 is about 1261.3221988024.

The spelling of 2006679979 in words is "two billion, six million, six hundred seventy-nine thousand, nine hundred seventy-nine".