2006681277 has 4 divisors (see below), whose sum is σ = 2675575040. Its totient is φ = 1337787516.

The previous prime is 2006681269. The next prime is 2006681279. The reversal of 2006681277 is 7721866002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2006681277 - 2³ = 2006681269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006681279) 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, 334446877 + ... + 334446882.

It is an arithmetic number, because the mean of its divisors is an integer number (668893760).

Almost surely, 2^2006681277 is an apocalyptic number.

It is an amenable number.

2006681277 is a deficient number, since it is larger than the sum of its proper divisors (668893763).

2006681277 is an equidigital number, since it uses as much as digits as its factorization.

2006681277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668893762.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 2006681277 is about 44795.9962161799. The cubic root of 2006681277 is about 1261.3224707600.

The spelling of 2006681277 in words is "two billion, six million, six hundred eighty-one thousand, two hundred seventy-seven".