38714631317187 has 128 divisors (see below), whose sum is σ = 61809605265408. Its totient is φ = 21093588172800.

The previous prime is 38714631317177. The next prime is 38714631317209. The reversal of 38714631317187 is 78171313641783.

It is not a de Polignac number, because 38714631317187 - 2¹⁹ = 38714630792899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38714631317187.

It is not an unprimeable number, because it can be changed into a prime (38714631317137) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18322115043 + ... + 18322117155.

It is an arithmetic number, because the mean of its divisors is an integer number (482887541136).

Almost surely, 2^{38714631317187} is an apocalyptic number.

38714631317187 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38714631317187 is a deficient number, since it is larger than the sum of its proper divisors (23094973948221).

38714631317187 is a wasteful number, since it uses less digits than its factorization.

38714631317187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469.

The product of its digits is 14224896, while the sum is 60.

The spelling of 38714631317187 in words is "thirty-eight trillion, seven hundred fourteen billion, six hundred thirty-one million, three hundred seventeen thousand, one hundred eighty-seven".