38889343892 has 48 divisors (see below), whose sum is σ = 78376636800. Its totient is φ = 16538950272.

The previous prime is 38889343879. The next prime is 38889343907. The reversal of 38889343892 is 29834398883.

38889343892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948238 + ... + 4956090.

It is an arithmetic number, because the mean of its divisors is an integer number (1632846600).

Almost surely, 2^38889343892 is an apocalyptic number.

It is an amenable number.

38889343892 is an abundant number, since it is smaller than the sum of its proper divisors (39487292908).

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

38889343892 is a wasteful number, since it uses less digits than its factorization.

38889343892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9198 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 65.

The spelling of 38889343892 in words is "thirty-eight billion, eight hundred eighty-nine million, three hundred forty-three thousand, eight hundred ninety-two".