38820538808 has 8 divisors (see below), whose sum is σ = 72788510280. Its totient is φ = 19410269400.

The previous prime is 38820538793. The next prime is 38820538873. The reversal of 38820538808 is 80883502883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 38820538808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2426283668 + ... + 2426283683.

It is an arithmetic number, because the mean of its divisors is an integer number (9098563785).

Almost surely, 2^38820538808 is an apocalyptic number.

It is an amenable number.

38820538808 is a deficient number, since it is larger than the sum of its proper divisors (33967971472).

38820538808 is a wasteful number, since it uses less digits than its factorization.

38820538808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852567357 (or 4852567353 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 38820538808 in words is "thirty-eight billion, eight hundred twenty million, five hundred thirty-eight thousand, eight hundred eight".