2107321879 has 16 divisors (see below), whose sum is σ = 2322123552. Its totient is φ = 1900551168.

The previous prime is 2107321877. The next prime is 2107321883. The reversal of 2107321879 is 9781237012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2107321879 - 2¹ = 2107321877 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 (2107321877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91167 + ... + 111919.

It is an arithmetic number, because the mean of its divisors is an integer number (145132722).

Almost surely, 2^2107321879 is an apocalyptic number.

2107321879 is a deficient number, since it is larger than the sum of its proper divisors (214801673).

2107321879 is a wasteful number, since it uses less digits than its factorization.

2107321879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20946.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 2107321879 is about 45905.5756853130. The cubic root of 2107321879 is about 1282.0657315992.

The spelling of 2107321879 in words is "two billion, one hundred seven million, three hundred twenty-one thousand, eight hundred seventy-nine".