38278171008 has 384 divisors, whose sum is σ = 138006685440. Its totient is φ = 9893376000.

The previous prime is 38278171003. The next prime is 38278171013. The reversal of 38278171008 is 80017187283.

It is an interprime number because it is at equal distance from previous prime (38278171003) and next prime (38278171013).

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38278171003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20134858 + ... + 20136758.

It is an arithmetic number, because the mean of its divisors is an integer number (359392410).

Almost surely, 2^38278171008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38278171008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69003342720).

38278171008 is an abundant number, since it is smaller than the sum of its proper divisors (99728514432).

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

38278171008 is a wasteful number, since it uses less digits than its factorization.

38278171008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The spelling of 38278171008 in words is "thirty-eight billion, two hundred seventy-eight million, one hundred seventy-one thousand, eight".