38387752874857 has 2 divisors, whose sum is σ = 38387752874858. Its totient is φ = 38387752874856.

The previous prime is 38387752874833. The next prime is 38387752874881. The reversal of 38387752874857 is 75847825778383.

It is a balanced prime because it is at equal distance from previous prime (38387752874833) and next prime (38387752874881).

It can be written as a sum of positive squares in only one way, i.e., 35476842587536 + 2910910287321 = 5956244^2 + 1706139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38387752874857 is a prime.

It is not a weakly prime, because it can be changed into another prime (38387752872857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193876437428 + 19193876437429.

It is an arithmetic number, because the mean of its divisors is an integer number (19193876437429).

Almost surely, 2^{38387752874857} is an apocalyptic number.

It is an amenable number.

38387752874857 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387752874857 is an equidigital number, since it uses as much as digits as its factorization.

38387752874857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17702092800, while the sum is 82.

The spelling of 38387752874857 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-two million, eight hundred seventy-four thousand, eight hundred fifty-seven".