38387734374255 has 192 divisors, whose sum is σ = 75997007861760. Its totient is φ = 16441037254656.

The previous prime is 38387734374217. The next prime is 38387734374259. The reversal of 38387734374255 is 55247343778383.

It is a happy number.

It is not a de Polignac number, because 38387734374255 - 2⁹ = 38387734373743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38387734374255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387734374259) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2581721961 + ... + 2581736829.

It is an arithmetic number, because the mean of its divisors is an integer number (395817749280).

Almost surely, 2^{38387734374255} is an apocalyptic number.

38387734374255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38387734374255 is a deficient number, since it is larger than the sum of its proper divisors (37609273487505).

38387734374255 is a wasteful number, since it uses less digits than its factorization.

38387734374255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838 (or 15831 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 69.

The spelling of 38387734374255 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred thirty-four million, three hundred seventy-four thousand, two hundred fifty-five".