38678881105285 has 8 divisors (see below), whose sum is σ = 46415038416120. Its totient is φ = 30942850824384.

The previous prime is 38678881105283. The next prime is 38678881105289. The reversal of 38678881105285 is 58250118887683.

It can be written as a sum of positive squares in 4 ways, for example, as 426313667329 + 38252567437956 = 652927^2 + 6184866^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38678881105285 - 2¹ = 38678881105283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678881105283) 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, 31086322 + ... + 32306611.

It is an arithmetic number, because the mean of its divisors is an integer number (5801879802015).

Almost surely, 2^{38678881105285} is an apocalyptic number.

It is an amenable number.

38678881105285 is a deficient number, since it is larger than the sum of its proper divisors (7736157310835).

38678881105285 is a wasteful number, since it uses less digits than its factorization.

38678881105285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63514967.

The product of its (nonzero) digits is 206438400, while the sum is 70.

The spelling of 38678881105285 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred eighty-one million, one hundred five thousand, two hundred eighty-five".