8490799066 has 4 divisors (see below), whose sum is σ = 12736198602. Its totient is φ = 4245399532.

The previous prime is 8490799063. The next prime is 8490799081. The reversal of 8490799066 is 6609970948.

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., 8412741841 + 78057225 = 91721^2 + 8835^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8490799066.

It is not an unprimeable number, because it can be changed into a prime (8490799061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122699765 + ... + 2122699768.

Almost surely, 2^8490799066 is an apocalyptic number.

8490799066 is a deficient number, since it is larger than the sum of its proper divisors (4245399536).

8490799066 is a wasteful number, since it uses less digits than its factorization.

8490799066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245399535.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 8490799066 is about 92145.5319915187. The cubic root of 8490799066 is about 2040.0909117821.

The spelling of 8490799066 in words is "eight billion, four hundred ninety million, seven hundred ninety-nine thousand, sixty-six".