2106777 has 16 divisors (see below), whose sum is σ = 3087360. Its totient is φ = 1271952.

The previous prime is 2106773. The next prime is 2106779. The reversal of 2106777 is 7776012.

It is a happy number.

It is not a de Polignac number, because 2106777 - 2² = 2106773 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2106773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (192960).

2^2106777 is an apocalyptic number.

It is an amenable number.

2106777 is a deficient number, since it is larger than the sum of its proper divisors (980583).

2106777 is a wasteful number, since it uses less digits than its factorization.

2106777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 2106777 is about 1451.4740783080. The cubic root of 2106777 is about 128.1955223104.

The spelling of 2106777 in words is "two million, one hundred six thousand, seven hundred seventy-seven".