38685650577755 has 4 divisors (see below), whose sum is σ = 46422780693312. Its totient is φ = 30948520462200.

The previous prime is 38685650577731. The next prime is 38685650577757. The reversal of 38685650577755 is 55777505658683.

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

It is not a de Polignac number, because 38685650577755 - 2²⁰ = 38685649529179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38685650577757) 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, 3868565057771 + ... + 3868565057780.

It is an arithmetic number, because the mean of its divisors is an integer number (11605695173328).

Almost surely, 2^{38685650577755} is an apocalyptic number.

38685650577755 is a deficient number, since it is larger than the sum of its proper divisors (7737130115557).

38685650577755 is an equidigital number, since it uses as much as digits as its factorization.

38685650577755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737130115556.

The product of its (nonzero) digits is 7408800000, while the sum is 77.

The spelling of 38685650577755 in words is "thirty-eight trillion, six hundred eighty-five billion, six hundred fifty million, five hundred seventy-seven thousand, seven hundred fifty-five".