38879403893 has 16 divisors (see below), whose sum is σ = 42875505792. Its totient is φ = 34960920000.

The previous prime is 38879403883. The next prime is 38879403907. The reversal of 38879403893 is 39830497883.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38879403893 - 2⁴ = 38879403877 is a prime.

It is a Duffinian 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 (38879403883) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1162280 + ... + 1195262.

It is an arithmetic number, because the mean of its divisors is an integer number (2679719112).

Almost surely, 2^38879403893 is an apocalyptic number.

It is an amenable number.

38879403893 is a deficient number, since it is larger than the sum of its proper divisors (3996101899).

38879403893 is a wasteful number, since it uses less digits than its factorization.

38879403893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34156.

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

The spelling of 38879403893 in words is "thirty-eight billion, eight hundred seventy-nine million, four hundred three thousand, eight hundred ninety-three".