8066187378 has 24 divisors (see below), whose sum is σ = 17491941948. Its totient is φ = 2686390272.

The previous prime is 8066187361. The next prime is 8066187413. The reversal of 8066187378 is 8737816608.

It can be written as a sum of positive squares in 2 ways, for example, as 8002554849 + 63632529 = 89457^2 + 7977^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173575 + ... + 215082.

Almost surely, 2^8066187378 is an apocalyptic number.

8066187378 is an abundant number, since it is smaller than the sum of its proper divisors (9425754570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8066187378 is a wasteful number, since it uses less digits than its factorization.

8066187378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389818 (or 389815 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 8066187378 is about 89811.9556517950. The cubic root of 8066187378 is about 2005.5004733616.

The spelling of 8066187378 in words is "eight billion, sixty-six million, one hundred eighty-seven thousand, three hundred seventy-eight".