8105787620552 has 32 divisors (see below), whose sum is σ = 15610643340600. Its totient is φ = 3942970804224.

The previous prime is 8105787620533. The next prime is 8105787620573. The reversal of 8105787620552 is 2550267875018.

It can be written as a sum of positive squares in 4 ways, for example, as 7654883428516 + 450904192036 = 2766746^2 + 671494^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707974 + ... + 4373642.

Almost surely, 2^{8105787620552} is an apocalyptic number.

It is an amenable number.

8105787620552 is a deficient number, since it is larger than the sum of its proper divisors (7504855720048).

8105787620552 is a wasteful number, since it uses less digits than its factorization.

8105787620552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675985 (or 2675981 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 8105787620552 in words is "eight trillion, one hundred five billion, seven hundred eighty-seven million, six hundred twenty thousand, five hundred fifty-two".