8938668399 has 8 divisors (see below), whose sum is σ = 12029610240. Its totient is φ = 5903419416.

The previous prime is 8938668373. The next prime is 8938668407. The reversal of 8938668399 is 9938668398.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8938668399 - 2²¹ = 8936571247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8938668359) 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, 13922839 + ... + 13923480.

It is an arithmetic number, because the mean of its divisors is an integer number (1503701280).

Almost surely, 2^8938668399 is an apocalyptic number.

8938668399 is a deficient number, since it is larger than the sum of its proper divisors (3090941841).

8938668399 is a wasteful number, since it uses less digits than its factorization.

8938668399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27846429.

The product of its digits is 120932352, while the sum is 69.

The square root of 8938668399 is about 94544.5313013926. The cubic root of 8938668399 is about 2075.3480539876.

Subtracting 8938668399 from its reverse (9938668398), we obtain a palindrome (999999999).

The spelling of 8938668399 in words is "eight billion, nine hundred thirty-eight million, six hundred sixty-eight thousand, three hundred ninety-nine".