9438662879 has 4 divisors (see below), whose sum is σ = 9442873176. Its totient is φ = 9434452584.

The previous prime is 9438662873. The next prime is 9438662897. The reversal of 9438662879 is 9782668349.

It is a happy number.

9438662879 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9438662879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9438662873) 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 3 ways as a sum of consecutive naturals, for example, 2101784 + ... + 2106269.

It is an arithmetic number, because the mean of its divisors is an integer number (2360718294).

Almost surely, 2^9438662879 is an apocalyptic number.

9438662879 is a deficient number, since it is larger than the sum of its proper divisors (4210297).

9438662879 is a wasteful number, since it uses less digits than its factorization.

9438662879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210296.

The product of its digits is 31352832, while the sum is 62.

The square root of 9438662879 is about 97152.7811181955. The cubic root of 9438662879 is about 2113.3438201477.

The spelling of 9438662879 in words is "nine billion, four hundred thirty-eight million, six hundred sixty-two thousand, eight hundred seventy-nine".