38750163857 has 2 divisors, whose sum is σ = 38750163858. Its totient is φ = 38750163856.

The previous prime is 38750163847. The next prime is 38750163869. The reversal of 38750163857 is 75836105783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29658350656 + 9091813201 = 172216^2 + 95351^2 .

It is a cyclic number.

It is not a de Polignac number, because 38750163857 - 2¹² = 38750159761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38750163799 and 38750163808.

It is not a weakly prime, because it can be changed into another prime (38750163847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19375081928 + 19375081929.

It is an arithmetic number, because the mean of its divisors is an integer number (19375081929).

Almost surely, 2^38750163857 is an apocalyptic number.

It is an amenable number.

38750163857 is a deficient number, since it is larger than the sum of its proper divisors (1).

38750163857 is an equidigital number, since it uses as much as digits as its factorization.

38750163857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 38750163857 in words is "thirty-eight billion, seven hundred fifty million, one hundred sixty-three thousand, eight hundred fifty-seven".