38813858610887 has 2 divisors, whose sum is σ = 38813858610888. Its totient is φ = 38813858610886.

The previous prime is 38813858610883. The next prime is 38813858610907. The reversal of 38813858610887 is 78801685831883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38813858610887 - 2² = 38813858610883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38813858610883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19406929305443 + 19406929305444.

It is an arithmetic number, because the mean of its divisors is an integer number (19406929305444).

Almost surely, 2^{38813858610887} is an apocalyptic number.

38813858610887 is a deficient number, since it is larger than the sum of its proper divisors (1).

38813858610887 is an equidigital number, since it uses as much as digits as its factorization.

38813858610887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 495452160, while the sum is 74.

The spelling of 38813858610887 in words is "thirty-eight trillion, eight hundred thirteen billion, eight hundred fifty-eight million, six hundred ten thousand, eight hundred eighty-seven".