2677828638 has 16 divisors (see below), whose sum is σ = 5356196496. Its totient is φ = 892519680.

The previous prime is 2677828633. The next prime is 2677828733. The reversal of 2677828638 is 8368287762.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2677828633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73870 + ... + 103982.

It is an arithmetic number, because the mean of its divisors is an integer number (334762281).

Almost surely, 2^2677828638 is an apocalyptic number.

2677828638 is an abundant number, since it is smaller than the sum of its proper divisors (2678367858).

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

2677828638 is a wasteful number, since it uses less digits than its factorization.

2677828638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44939.

The product of its digits is 10838016, while the sum is 57.

The square root of 2677828638 is about 51747.7404144374. The cubic root of 2677828638 is about 1388.6546750781.

The spelling of 2677828638 in words is "two billion, six hundred seventy-seven million, eight hundred twenty-eight thousand, six hundred thirty-eight".