8456805105 has 16 divisors (see below), whose sum is σ = 15463872384. Its totient is φ = 3865968000.

The previous prime is 8456805103. The next prime is 8456805113. The reversal of 8456805105 is 5015086548.

It is not a de Polignac number, because 8456805105 - 2¹ = 8456805103 is a prime.

It is a super-2 number, since 2×8456805105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8456805103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40270396 + ... + 40270605.

It is an arithmetic number, because the mean of its divisors is an integer number (966492024).

Almost surely, 2^8456805105 is an apocalyptic number.

It is an amenable number.

8456805105 is a deficient number, since it is larger than the sum of its proper divisors (7007067279).

8456805105 is a wasteful number, since it uses less digits than its factorization.

8456805105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80541016.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 8456805105 is about 91960.8889963554. Note that the first 3 decimals coincide. The cubic root of 8456805105 is about 2037.3646851057.

The spelling of 8456805105 in words is "eight billion, four hundred fifty-six million, eight hundred five thousand, one hundred five".