8067412381 has 6 divisors (see below), whose sum is σ = 9384540990. Its totient is φ = 6914924856.

The previous prime is 8067412361. The next prime is 8067412393. The reversal of 8067412381 is 1832147608.

It can be written as a sum of positive squares in only one way, i.e., 7733619481 + 333792900 = 87941^2 + 18270^2 .

It is not a de Polignac number, because 8067412381 - 2¹⁷ = 8067281309 is a prime.

It is a super-2 number, since 2×8067412381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8067412361) 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 5 ways as a sum of consecutive naturals, for example, 82320486 + ... + 82320583.

It is an arithmetic number, because the mean of its divisors is an integer number (1564090165).

Almost surely, 2^8067412381 is an apocalyptic number.

It is an amenable number.

8067412381 is a deficient number, since it is larger than the sum of its proper divisors (1317128609).

8067412381 is a wasteful number, since it uses less digits than its factorization.

8067412381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164641083 (or 164641076 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 8067412381 is about 89818.7752143170. The cubic root of 8067412381 is about 2005.6019926058.

Adding to 8067412381 its reverse (1832147608), we get a palindrome (9899559989).

The spelling of 8067412381 in words is "eight billion, sixty-seven million, four hundred twelve thousand, three hundred eighty-one".