38375866357 has 4 divisors (see below), whose sum is σ = 38376701836. Its totient is φ = 38375030880.

The previous prime is 38375866313. The next prime is 38375866393. The reversal of 38375866357 is 75366857383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16723921041 + 21651945316 = 129321^2 + 147146^2 .

It is a cyclic number.

It is not a de Polignac number, because 38375866357 - 2¹¹ = 38375864309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38375866295 and 38375866304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38375866157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344568 + ... + 442129.

It is an arithmetic number, because the mean of its divisors is an integer number (9594175459).

Almost surely, 2^38375866357 is an apocalyptic number.

It is an amenable number.

38375866357 is a deficient number, since it is larger than the sum of its proper divisors (835479).

38375866357 is an equidigital number, since it uses as much as digits as its factorization.

38375866357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835478.

The product of its digits is 76204800, while the sum is 61.

The spelling of 38375866357 in words is "thirty-eight billion, three hundred seventy-five million, eight hundred sixty-six thousand, three hundred fifty-seven".