2791979928 has 80 divisors (see below), whose sum is σ = 8231751000. Its totient is φ = 881673984.

The previous prime is 2791979923. The next prime is 2791979987. The reversal of 2791979928 is 8299791972.

2791979928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791979923) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101073 + ... + 125696.

Almost surely, 2^2791979928 is an apocalyptic number.

It is an amenable number.

2791979928 is an abundant number, since it is smaller than the sum of its proper divisors (5439771072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2791979928 is a wasteful number, since it uses less digits than its factorization.

2791979928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226806 (or 226793 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 2791979928 is about 52839.1893200492. The cubic root of 2791979928 is about 1408.1127489666.

The spelling of 2791979928 in words is "two billion, seven hundred ninety-one million, nine hundred seventy-nine thousand, nine hundred twenty-eight".