2000779 has 4 divisors (see below), whose sum is σ = 2182680. Its totient is φ = 1818880.

The previous prime is 2000767. The next prime is 2000807. The reversal of 2000779 is 9770002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000779 is a prime.

It is a Duffinian number.

2000779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2006779) 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, 90934 + ... + 90955.

It is an arithmetic number, because the mean of its divisors is an integer number (545670).

2^2000779 is an apocalyptic number.

2000779 is a deficient number, since it is larger than the sum of its proper divisors (181901).

2000779 is a wasteful number, since it uses less digits than its factorization.

2000779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181900.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 2000779 is about 1414.4889536508. The cubic root of 2000779 is about 126.0084608411.

The spelling of 2000779 in words is "two million, seven hundred seventy-nine", and thus it is an aban number.