38870203385 has 8 divisors (see below), whose sum is σ = 50232262920. Its totient is φ = 28704150144.

The previous prime is 38870203327. The next prime is 38870203397. The reversal of 38870203385 is 58330207883.

It can be written as a sum of positive squares in 4 ways, for example, as 1398535609 + 37471667776 = 37397^2 + 193576^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38870203385 - 2⁶ = 38870203321 is a prime.

It is a super-2 number, since 2×38870203385² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 299001500 + ... + 299001629.

It is an arithmetic number, because the mean of its divisors is an integer number (6279032865).

Almost surely, 2^38870203385 is an apocalyptic number.

It is an amenable number.

38870203385 is a deficient number, since it is larger than the sum of its proper divisors (11362059535).

38870203385 is a wasteful number, since it uses less digits than its factorization.

38870203385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598003147.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 38870203385 in words is "thirty-eight billion, eight hundred seventy million, two hundred three thousand, three hundred eighty-five".