38865788887 has 4 divisors (see below), whose sum is σ = 38879291520. Its totient is φ = 38852286256.

The previous prime is 38865788879. The next prime is 38865788917. The reversal of 38865788887 is 78888756883.

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 38865788887 - 2³ = 38865788879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38865788287) 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, 6746998 + ... + 6752755.

It is an arithmetic number, because the mean of its divisors is an integer number (9719822880).

Almost surely, 2^38865788887 is an apocalyptic number.

38865788887 is a deficient number, since it is larger than the sum of its proper divisors (13502633).

38865788887 is a wasteful number, since it uses less digits than its factorization.

38865788887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13502632.

The product of its digits is 1156055040, while the sum is 76.

The spelling of 38865788887 in words is "thirty-eight billion, eight hundred sixty-five million, seven hundred eighty-eight thousand, eight hundred eighty-seven".