38673723855 has 32 divisors (see below), whose sum is σ = 67767275520. Its totient is φ = 18716664960.

The previous prime is 38673723839. The next prime is 38673723863. The reversal of 38673723855 is 55832737683.

It is not a de Polignac number, because 38673723855 - 2⁴ = 38673723839 is a prime.

It is a super-2 number, since 2×38673723855² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38673723795 and 38673723804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1669231 + ... + 1692240.

It is an arithmetic number, because the mean of its divisors is an integer number (2117727360).

Almost surely, 2^38673723855 is an apocalyptic number.

38673723855 is a deficient number, since it is larger than the sum of its proper divisors (29093551665).

38673723855 is a wasteful number, since it uses less digits than its factorization.

38673723855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361551.

The product of its digits is 25401600, while the sum is 57.

The spelling of 38673723855 in words is "thirty-eight billion, six hundred seventy-three million, seven hundred twenty-three thousand, eight hundred fifty-five".