8278969543680 has 176 divisors, whose sum is σ = 28887018753024. Its totient is φ = 2007022878720.

The previous prime is 8278969543639. The next prime is 8278969543703. The reversal of 8278969543680 is 863459698728.

It is a tau number, because it is divible by the number of its divisors (176).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24330832 + ... + 24668751.

Almost surely, 2^{8278969543680} is an apocalyptic number.

8278969543680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8278969543680 is an abundant number, since it is smaller than the sum of its proper divisors (20608049209344).

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

8278969543680 is a wasteful number, since it uses less digits than its factorization.

8278969543680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48999622 (or 48999604 counting only the distinct ones).

The product of its (nonzero) digits is 1254113280, while the sum is 75.

The spelling of 8278969543680 in words is "eight trillion, two hundred seventy-eight billion, nine hundred sixty-nine million, five hundred forty-three thousand, six hundred eighty".