96980561856 has 84 divisors (see below), whose sum is σ = 278190198000. Its totient is φ = 32302092288.

The previous prime is 96980561791. The next prime is 96980561981. The reversal of 96980561856 is 65816508969.

96980561856 is a `hidden beast` number, since 9 + 6 + 9 + 8 + 0 + 5 + 618 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 96980561793 and 96980561802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695920 + ... + 823568.

Almost surely, 2^96980561856 is an apocalyptic number.

96980561856 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 96980561856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139095099000).

96980561856 is an abundant number, since it is smaller than the sum of its proper divisors (181209636144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

96980561856 is a wasteful number, since it uses less digits than its factorization.

96980561856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128986 (or 128973 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 63.

The spelling of 96980561856 in words is "ninety-six billion, nine hundred eighty million, five hundred sixty-one thousand, eight hundred fifty-six".