8067040105 has 4 divisors (see below), whose sum is σ = 9680448132. Its totient is φ = 6453632080.

The previous prime is 8067040103. The next prime is 8067040133. The reversal of 8067040105 is 5010407608.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5629050729 + 2437989376 = 75027^2 + 49376^2 .

It is not a de Polignac number, because 8067040105 - 2¹ = 8067040103 is a prime.

It is a super-2 number, since 2×8067040105² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8067040103) 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, 806704006 + ... + 806704015.

It is an arithmetic number, because the mean of its divisors is an integer number (2420112033).

Almost surely, 2^8067040105 is an apocalyptic number.

It is an amenable number.

8067040105 is a deficient number, since it is larger than the sum of its proper divisors (1613408027).

8067040105 is a wasteful number, since it uses less digits than its factorization.

8067040105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613408026.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 8067040105 is about 89816.7028174604. The cubic root of 8067040105 is about 2005.5711421944.

The spelling of 8067040105 in words is "eight billion, sixty-seven million, forty thousand, one hundred five".