38373283881 has 81 divisors (see below), whose sum is σ = 61922444311. Its totient is φ = 22892605824.

The previous prime is 38373283867. The next prime is 38373283889. The reversal of 38373283881 is 18838237383.

The square root of 38373283881 is 195891.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29875394025 + 8497889856 = 172845^2 + 92184^2 .

It is not a de Polignac number, because 38373283881 - 2¹¹ = 38373281833 is a prime.

It is a super-2 number, since 2×38373283881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38373283889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 229780060 + ... + 229780226.

Almost surely, 2^38373283881 is an apocalyptic number.

38373283881 is the 195891-st square number.

38373283881 is the 97946-th centered octagonal number.

It is an amenable number.

38373283881 is a deficient number, since it is larger than the sum of its proper divisors (23549160430).

38373283881 is a wasteful number, since it uses less digits than its factorization.

38373283881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 210 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 38373283881 in words is "thirty-eight billion, three hundred seventy-three million, two hundred eighty-three thousand, eight hundred eighty-one".