38387752874791 has 2 divisors, whose sum is σ = 38387752874792. Its totient is φ = 38387752874790.

The previous prime is 38387752874683. The next prime is 38387752874833. The reversal of 38387752874791 is 19747825778383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38387752874791 - 2¹⁷ = 38387752743719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38387752878791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193876437395 + 19193876437396.

It is an arithmetic number, because the mean of its divisors is an integer number (19193876437396).

Almost surely, 2^{38387752874791} is an apocalyptic number.

38387752874791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387752874791 is an equidigital number, since it uses as much as digits as its factorization.

38387752874791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3982970880, while the sum is 79.

The spelling of 38387752874791 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-two million, eight hundred seventy-four thousand, seven hundred ninety-one".