8105064507 has 72 divisors (see below), whose sum is σ = 12940200000. Its totient is φ = 4880139264.

The previous prime is 8105064503. The next prime is 8105064509. The reversal of 8105064507 is 7054605018.

8105064507 is a `hidden beast` number, since 8 + 1 + 0 + 5 + 0 + 645 + 0 + 7 = 666.

It is not a de Polignac number, because 8105064507 - 2² = 8105064503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8105064503) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6488619 + ... + 6489867.

It is an arithmetic number, because the mean of its divisors is an integer number (179725000).

Almost surely, 2^8105064507 is an apocalyptic number.

8105064507 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

8105064507 is a deficient number, since it is larger than the sum of its proper divisors (4835135493).

8105064507 is a wasteful number, since it uses less digits than its factorization.

8105064507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 8105064507 is about 90028.1317533581. The cubic root of 8105064507 is about 2008.7173245063.

The spelling of 8105064507 in words is "eight billion, one hundred five million, sixty-four thousand, five hundred seven".