2047922879 has 16 divisors (see below), whose sum is σ = 2142163968. Its totient is φ = 1956068352.

The previous prime is 2047922873. The next prime is 2047922893. The reversal of 2047922879 is 9782297402.

It is a cyclic number.

It is not a de Polignac number, because 2047922879 - 2⁸ = 2047922623 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 (2047922873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453557 + ... + 458049.

It is an arithmetic number, because the mean of its divisors is an integer number (133885248).

Almost surely, 2^2047922879 is an apocalyptic number.

2047922879 is a deficient number, since it is larger than the sum of its proper divisors (94241089).

2047922879 is a wasteful number, since it uses less digits than its factorization.

2047922879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 2047922879 is about 45253.9819131974. The cubic root of 2047922879 is about 1269.9049010155.

The spelling of 2047922879 in words is "two billion, forty-seven million, nine hundred twenty-two thousand, eight hundred seventy-nine".