7638808338 has 48 divisors (see below), whose sum is σ = 18952464960. Its totient is φ = 2178210528.

The previous prime is 7638808273. The next prime is 7638808357. The reversal of 7638808338 is 8338088367.

It is a happy number.

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 in 23 ways as a sum of consecutive naturals, for example, 4581 + ... + 123687.

It is an arithmetic number, because the mean of its divisors is an integer number (394843020).

Almost surely, 2^7638808338 is an apocalyptic number.

7638808338 is an abundant number, since it is smaller than the sum of its proper divisors (11313656622).

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

7638808338 is a wasteful number, since it uses less digits than its factorization.

7638808338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119631 (or 119628 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 7638808338 is about 87400.2765327433. The cubic root of 7638808338 is about 1969.4359949323.

The spelling of 7638808338 in words is "seven billion, six hundred thirty-eight million, eight hundred eight thousand, three hundred thirty-eight".