38397836427858 has 48 divisors (see below), whose sum is σ = 83237837261280. Its totient is φ = 12792737944512.

The previous prime is 38397836427827. The next prime is 38397836427919. The reversal of 38397836427858 is 85872463879383.

38397836427858 is a `hidden beast` number, since 3 + 8 + 39 + 7 + 83 + 6 + 427 + 85 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347219598 + ... + 347330166.

It is an arithmetic number, because the mean of its divisors is an integer number (1734121609610).

Almost surely, 2^{38397836427858} is an apocalyptic number.

38397836427858 is an abundant number, since it is smaller than the sum of its proper divisors (44840000833422).

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

38397836427858 is a wasteful number, since it uses less digits than its factorization.

38397836427858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120263 (or 120260 counting only the distinct ones).

The product of its digits is 11705057280, while the sum is 81.

The spelling of 38397836427858 in words is "thirty-eight trillion, three hundred ninety-seven billion, eight hundred thirty-six million, four hundred twenty-seven thousand, eight hundred fifty-eight".