9978962698799 has 8 divisors (see below), whose sum is σ = 10091247154560. Its totient is φ = 9866681827200.

The previous prime is 9978962698739. The next prime is 9978962698811.

9978962698799 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9978962698799 - 2¹² = 9978962694703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9978962698739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4914434 + ... + 6641504.

It is an arithmetic number, because the mean of its divisors is an integer number (1261405894320).

Almost surely, 2^{9978962698799} is an apocalyptic number.

9978962698799 is a deficient number, since it is larger than the sum of its proper divisors (112284455761).

9978962698799 is a wasteful number, since it uses less digits than its factorization.

9978962698799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792081.

The product of its digits is 119995126272, while the sum is 98.

The spelling of 9978962698799 in words is "nine trillion, nine hundred seventy-eight billion, nine hundred sixty-two million, six hundred ninety-eight thousand, seven hundred ninety-nine".