2779838432 has 48 divisors (see below), whose sum is σ = 6258954240. Its totient is φ = 1190537088.

The previous prime is 2779838423. The next prime is 2779838437. The reversal of 2779838432 is 2348389772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779838437) 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 7 ways as a sum of consecutive naturals, for example, 410369 + ... + 417087.

It is an arithmetic number, because the mean of its divisors is an integer number (130394880).

Almost surely, 2^2779838432 is an apocalyptic number.

It is an amenable number.

2779838432 is an abundant number, since it is smaller than the sum of its proper divisors (3479115808).

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

2779838432 is a wasteful number, since it uses less digits than its factorization.

2779838432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583 (or 8575 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The square root of 2779838432 is about 52724.1731277030. The cubic root of 2779838432 is about 1406.0686275331.

The spelling of 2779838432 in words is "two billion, seven hundred seventy-nine million, eight hundred thirty-eight thousand, four hundred thirty-two".