38887819739999 has 4 divisors (see below), whose sum is σ = 39042751293000. Its totient is φ = 38732888187000.

The previous prime is 38887819739981. The next prime is 38887819740089. The reversal of 38887819739999 is 99993791878883.

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 38887819739999 - 2²⁸ = 38887551304543 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 (38887819739929) 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, 77465776124 + ... + 77465776625.

It is an arithmetic number, because the mean of its divisors is an integer number (9760687823250).

Almost surely, 2^{38887819739999} is an apocalyptic number.

38887819739999 is a deficient number, since it is larger than the sum of its proper divisors (154931553001).

38887819739999 is a wasteful number, since it uses less digits than its factorization.

38887819739999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154931553000.

The product of its digits is 106662334464, while the sum is 98.

The spelling of 38887819739999 in words is "thirty-eight trillion, eight hundred eighty-seven billion, eight hundred nineteen million, seven hundred thirty-nine thousand, nine hundred ninety-nine".