9695399486978 has 8 divisors (see below), whose sum is σ = 14543207686668. Its totient is φ = 4847663591424.

The previous prime is 9695399486957. The next prime is 9695399486987. The reversal of 9695399486978 is 8796849935969.

It can be written as a sum of positive squares in 2 ways, for example, as 9684898771249 + 10500715729 = 3112057^2 + 102473^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17739551 + ... + 18277922.

Almost surely, 2^{9695399486978} is an apocalyptic number.

9695399486978 is a deficient number, since it is larger than the sum of its proper divisors (4847808199690).

9695399486978 is a wasteful number, since it uses less digits than its factorization.

9695399486978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36152068.

The product of its digits is 57140536320, while the sum is 92.

The spelling of 9695399486978 in words is "nine trillion, six hundred ninety-five billion, three hundred ninety-nine million, four hundred eighty-six thousand, nine hundred seventy-eight".