38678863615471 has 8 divisors (see below), whose sum is σ = 38906564742864. Its totient is φ = 38451316397760.

The previous prime is 38678863615363. The next prime is 38678863615477. The reversal of 38678863615471 is 17451636887683.

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 38678863615471 - 2⁴⁵ = 3494491526639 is a prime.

It is a super-3 number, since 3×38678863615471³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38678863615394 and 38678863615403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678863615477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37973305 + ... + 38978578.

It is an arithmetic number, because the mean of its divisors is an integer number (4863320592858).

Almost surely, 2^{38678863615471} is an apocalyptic number.

38678863615471 is a deficient number, since it is larger than the sum of its proper divisors (227701127393).

38678863615471 is a wasteful number, since it uses less digits than its factorization.

38678863615471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76954841.

The product of its digits is 975421440, while the sum is 73.

The spelling of 38678863615471 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred sixty-three million, six hundred fifteen thousand, four hundred seventy-one".