2079438728 has 8 divisors (see below), whose sum is σ = 3898947630. Its totient is φ = 1039719360.

The previous prime is 2079438703. The next prime is 2079438731. The reversal of 2079438728 is 8278349702.

It can be written as a sum of positive squares in only one way, i.e., 1363234084 + 716204644 = 36922^2 + 26762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 129964913 + ... + 129964928.

Almost surely, 2^2079438728 is an apocalyptic number.

It is an amenable number.

2079438728 is a deficient number, since it is larger than the sum of its proper divisors (1819508902).

2079438728 is a wasteful number, since it uses less digits than its factorization.

2079438728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259929847 (or 259929843 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 2079438728 is about 45600.8632374432. The cubic root of 2079438728 is about 1276.3860314636.

The spelling of 2079438728 in words is "two billion, seventy-nine million, four hundred thirty-eight thousand, seven hundred twenty-eight".