981678680799 has 8 divisors (see below), whose sum is σ = 1321864362672. Its totient is φ = 647972726400.

The previous prime is 981678680783. The next prime is 981678680813. The reversal of 981678680799 is 997086876189.

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

It is not a de Polignac number, because 981678680799 - 2⁴ = 981678680783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981678680729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619931514 + ... + 1619932119.

It is an arithmetic number, because the mean of its divisors is an integer number (165233045334).

Almost surely, 2^981678680799 is an apocalyptic number.

981678680799 is a deficient number, since it is larger than the sum of its proper divisors (340185681873).

981678680799 is a wasteful number, since it uses less digits than its factorization.

981678680799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239863737.

The product of its (nonzero) digits is 658409472, while the sum is 78.

The spelling of 981678680799 in words is "nine hundred eighty-one billion, six hundred seventy-eight million, six hundred eighty thousand, seven hundred ninety-nine".