8719445066 has 4 divisors (see below), whose sum is σ = 13079167602. Its totient is φ = 4359722532.

The previous prime is 8719445041. The next prime is 8719445071. The reversal of 8719445066 is 6605449178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8715156025 + 4289041 = 93355^2 + 2071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179861265 + ... + 2179861268.

Almost surely, 2^8719445066 is an apocalyptic number.

8719445066 is a deficient number, since it is larger than the sum of its proper divisors (4359722536).

8719445066 is a wasteful number, since it uses less digits than its factorization.

8719445066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359722535.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 8719445066 is about 93377.9688470466. The cubic root of 8719445066 is about 2058.2412696674.

The spelling of 8719445066 in words is "eight billion, seven hundred nineteen million, four hundred forty-five thousand, sixty-six".