8066809885370 has 16 divisors (see below), whose sum is σ = 14522863359240. Its totient is φ = 3226144939584.

The previous prime is 8066809885361. The next prime is 8066809885439. The reversal of 8066809885370 is 735889086608.

It is a Cunningham number, because it is equal to 2840213²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 4571185109089 + 3495624776281 = 2138033^2 + 1869659^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8066809885370.

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, 72318305 + ... + 72429764.

Almost surely, 2^{8066809885370} is an apocalyptic number.

8066809885370 is a deficient number, since it is larger than the sum of its proper divisors (6456053473870).

8066809885370 is a wasteful number, since it uses less digits than its factorization.

8066809885370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144753649.

The product of its (nonzero) digits is 139345920, while the sum is 68.

The spelling of 8066809885370 in words is "eight trillion, sixty-six billion, eight hundred nine million, eight hundred eighty-five thousand, three hundred seventy".