38078124543257 has 8 divisors (see below), whose sum is σ = 38253673143840. Its totient is φ = 37902720968640.

The previous prime is 38078124543227. The next prime is 38078124543271. The reversal of 38078124543257 is 75234542187083.

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 38078124543257 - 2¹⁶ = 38078124477721 is a prime.

It is a super-3 number, since 3×38078124543257³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38078124543196 and 38078124543205.

It is not an unprimeable number, because it can be changed into a prime (38078124543227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35730143 + ... + 36780420.

It is an arithmetic number, because the mean of its divisors is an integer number (4781709142980).

Almost surely, 2^{38078124543257} is an apocalyptic number.

It is an amenable number.

38078124543257 is a deficient number, since it is larger than the sum of its proper divisors (175548600583).

38078124543257 is a wasteful number, since it uses less digits than its factorization.

38078124543257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72512983.

The product of its (nonzero) digits is 45158400, while the sum is 59.

The spelling of 38078124543257 in words is "thirty-eight trillion, seventy-eight billion, one hundred twenty-four million, five hundred forty-three thousand, two hundred fifty-seven".