38817623377063 has 4 divisors (see below), whose sum is σ = 38827458096840. Its totient is φ = 38807788657288.

The previous prime is 38817623377009. The next prime is 38817623377073. The reversal of 38817623377063 is 36077332671883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38817623377063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38817623376986 and 38817623377004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38817623377073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4917353968 + ... + 4917361861.

It is an arithmetic number, because the mean of its divisors is an integer number (9706864524210).

Almost surely, 2^{38817623377063} is an apocalyptic number.

38817623377063 is a deficient number, since it is larger than the sum of its proper divisors (9834719777).

38817623377063 is an equidigital number, since it uses as much as digits as its factorization.

38817623377063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834719776.

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 38817623377063 in words is "thirty-eight trillion, eight hundred seventeen billion, six hundred twenty-three million, three hundred seventy-seven thousand, sixty-three".