8120469064 has 16 divisors (see below), whose sum is σ = 15227376300. Its totient is φ = 4059835392.

The previous prime is 8120469029. The next prime is 8120469107. The reversal of 8120469064 is 4609640218.

It can be written as a sum of positive squares in 2 ways, for example, as 7596516964 + 523952100 = 87158^2 + 22890^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47832 + ... + 136120.

Almost surely, 2^8120469064 is an apocalyptic number.

It is an amenable number.

8120469064 is a deficient number, since it is larger than the sum of its proper divisors (7106907236).

8120469064 is a wasteful number, since it uses less digits than its factorization.

8120469064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99792 (or 99788 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 8120469064 is about 90113.6452708467. The cubic root of 8120469064 is about 2009.9891144019.

The spelling of 8120469064 in words is "eight billion, one hundred twenty million, four hundred sixty-nine thousand, sixty-four".