8334821672 has 8 divisors (see below), whose sum is σ = 15627790650. Its totient is φ = 4167410832.

The previous prime is 8334821669. The next prime is 8334821689. The reversal of 8334821672 is 2761284338.

It can be written as a sum of positive squares in only one way, i.e., 6173873476 + 2160948196 = 78574^2 + 46486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520926347 + ... + 520926362.

Almost surely, 2^8334821672 is an apocalyptic number.

It is an amenable number.

8334821672 is a deficient number, since it is larger than the sum of its proper divisors (7292968978).

8334821672 is a wasteful number, since it uses less digits than its factorization.

8334821672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041852715 (or 1041852711 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 8334821672 is about 91295.2445201830. The cubic root of 8334821672 is about 2027.5213563584.

The spelling of 8334821672 in words is "eight billion, three hundred thirty-four million, eight hundred twenty-one thousand, six hundred seventy-two".