38888500385 has 12 divisors (see below), whose sum is σ = 54285172308. Its totient is φ = 26666400096.

The previous prime is 38888500381. The next prime is 38888500429. The reversal of 38888500385 is 58300588883.

It can be written as a sum of positive squares in 2 ways, for example, as 6049261729 + 32839238656 = 77777^2 + 181216^2 .

It is not a de Polignac number, because 38888500385 - 2² = 38888500381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38888500385.

It is not an unprimeable number, because it can be changed into a prime (38888500381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79364042 + ... + 79364531.

It is an arithmetic number, because the mean of its divisors is an integer number (4523764359).

Almost surely, 2^38888500385 is an apocalyptic number.

38888500385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38888500385 is a deficient number, since it is larger than the sum of its proper divisors (15396671923).

38888500385 is a wasteful number, since it uses less digits than its factorization.

38888500385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158728592 (or 158728585 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 38888500385 in words is "thirty-eight billion, eight hundred eighty-eight million, five hundred thousand, three hundred eighty-five".