7738938368 has 44 divisors (see below), whose sum is σ = 17680381152. Its totient is φ = 3316684800.

The previous prime is 7738938367. The next prime is 7738938379. The reversal of 7738938368 is 8638398377.

It is a self number, because there is not a number n which added to its sum of digits gives 7738938368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7738938367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532658 + ... + 546993.

Almost surely, 2^7738938368 is an apocalyptic number.

It is an amenable number.

7738938368 is an abundant number, since it is smaller than the sum of its proper divisors (9941442784).

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

7738938368 is a wasteful number, since it uses less digits than its factorization.

7738938368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079678 (or 1079660 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 62.

The square root of 7738938368 is about 87971.2360263285. The cubic root of 7738938368 is about 1978.0038352372.

The spelling of 7738938368 in words is "seven billion, seven hundred thirty-eight million, nine hundred thirty-eight thousand, three hundred sixty-eight".