38855887547 has 4 divisors (see below), whose sum is σ = 40900934280. Its totient is φ = 36810840816.

The previous prime is 38855887541. The next prime is 38855887549. The reversal of 38855887547 is 74578855883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38855887547 - 2¹⁰ = 38855886523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38855887541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022523338 + ... + 1022523375.

It is an arithmetic number, because the mean of its divisors is an integer number (10225233570).

Almost surely, 2^38855887547 is an apocalyptic number.

38855887547 is a deficient number, since it is larger than the sum of its proper divisors (2045046733).

38855887547 is a wasteful number, since it uses less digits than its factorization.

38855887547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045046732.

The product of its digits is 301056000, while the sum is 68.

The spelling of 38855887547 in words is "thirty-eight billion, eight hundred fifty-five million, eight hundred eighty-seven thousand, five hundred forty-seven".