38887791275385 has 80 divisors (see below), whose sum is σ = 76192754062656. Its totient is φ = 18859015942272.

The previous prime is 38887791275369. The next prime is 38887791275407. The reversal of 38887791275385 is 58357219778883.

38887791275385 is a `hidden beast` number, since 3 + 8 + 8 + 8 + 7 + 79 + 1 + 2 + 7 + 538 + 5 = 666.

It is not a de Polignac number, because 38887791275385 - 2⁴ = 38887791275369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 54767359 + ... + 55472868.

Almost surely, 2^{38887791275385} is an apocalyptic number.

It is an amenable number.

38887791275385 is a deficient number, since it is larger than the sum of its proper divisors (37304962787271).

38887791275385 is a wasteful number, since it uses less digits than its factorization.

38887791275385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110240324 (or 110240315 counting only the distinct ones).

The product of its digits is 5689958400, while the sum is 81.

The spelling of 38887791275385 in words is "thirty-eight trillion, eight hundred eighty-seven billion, seven hundred ninety-one million, two hundred seventy-five thousand, three hundred eighty-five".