38387735846879 has 2 divisors, whose sum is σ = 38387735846880. Its totient is φ = 38387735846878.

The previous prime is 38387735846861. The next prime is 38387735846923. The reversal of 38387735846879 is 97864853778383.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38387735846879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38387735846879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38387735846809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193867923439 + 19193867923440.

It is an arithmetic number, because the mean of its divisors is an integer number (19193867923440).

Almost surely, 2^{38387735846879} is an apocalyptic number.

38387735846879 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387735846879 is an equidigital number, since it uses as much as digits as its factorization.

38387735846879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40967700480, while the sum is 86.

The spelling of 38387735846879 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred thirty-five million, eight hundred forty-six thousand, eight hundred seventy-nine".