38678884768218 has 16 divisors (see below), whose sum is σ = 77366736577440. Its totient is φ = 12891467082576.

The previous prime is 38678884768201. The next prime is 38678884768267. The reversal of 38678884768218 is 81286748887683.

It is a super-2 number, since 2×38678884768218² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373570633 + ... + 373674156.

It is an arithmetic number, because the mean of its divisors is an integer number (4835421036090).

Almost surely, 2^{38678884768218} is an apocalyptic number.

38678884768218 is an abundant number, since it is smaller than the sum of its proper divisors (38687851809222).

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

38678884768218 is a wasteful number, since it uses less digits than its factorization.

38678884768218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747253421.

The product of its digits is 11098128384, while the sum is 84.

The spelling of 38678884768218 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred eighty-four million, seven hundred sixty-eight thousand, two hundred eighteen".