7963897682 has 8 divisors (see below), whose sum is σ = 12864757836. Its totient is φ = 3675645072.

The previous prime is 7963897663. The next prime is 7963897699. The reversal of 7963897682 is 2867983697.

It can be written as a sum of positive squares in 2 ways, for example, as 7917262441 + 46635241 = 88979^2 + 6829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153151853 + ... + 153151904.

Almost surely, 2^7963897682 is an apocalyptic number.

7963897682 is a deficient number, since it is larger than the sum of its proper divisors (4900860154).

7963897682 is a wasteful number, since it uses less digits than its factorization.

7963897682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306303772.

The product of its digits is 54867456, while the sum is 65.

The square root of 7963897682 is about 89240.6728011393. The cubic root of 7963897682 is about 1996.9869365037.

The spelling of 7963897682 in words is "seven billion, nine hundred sixty-three million, eight hundred ninety-seven thousand, six hundred eighty-two".