38818887437788 has 12 divisors (see below), whose sum is σ = 67933677343840. Its totient is φ = 19409265339552.

The previous prime is 38818887437783. The next prime is 38818887437833. The reversal of 38818887437788 is 88773478881883.

It is a junction number, because it is equal to n+sod(n) for n = 38818887437699 and 38818887437708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38818887437783) 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, 44104593 + ... + 44976136.

Almost surely, 2^{38818887437788} is an apocalyptic number.

It is an amenable number.

38818887437788 is a deficient number, since it is larger than the sum of its proper divisors (29114789906052).

38818887437788 is a wasteful number, since it uses less digits than its factorization.

38818887437788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89189676 (or 89189674 counting only the distinct ones).

The product of its digits is 25895632896, while the sum is 88.

The spelling of 38818887437788 in words is "thirty-eight trillion, eight hundred eighteen billion, eight hundred eighty-seven million, four hundred thirty-seven thousand, seven hundred eighty-eight".