2109704877 has 24 divisors (see below), whose sum is σ = 3634111104. Its totient is φ = 1153129824.

The previous prime is 2109704869. The next prime is 2109704929. The reversal of 2109704877 is 7784079012.

It is a happy number.

It is not a de Polignac number, because 2109704877 - 2³ = 2109704869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109704977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726538 + ... + 729435.

It is an arithmetic number, because the mean of its divisors is an integer number (151421296).

Almost surely, 2^2109704877 is an apocalyptic number.

It is an amenable number.

2109704877 is a deficient number, since it is larger than the sum of its proper divisors (1524406227).

2109704877 is a wasteful number, since it uses less digits than its factorization.

2109704877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456009 (or 1456006 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 2109704877 is about 45931.5237826920. The cubic root of 2109704877 is about 1282.5488106544.

The spelling of 2109704877 in words is "two billion, one hundred nine million, seven hundred four thousand, eight hundred seventy-seven".