80255779968 has 768 divisors, whose sum is σ = 280975564800. Its totient is φ = 19840204800.

The previous prime is 80255779943. The next prime is 80255779987. The reversal of 80255779968 is 86997755208.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80255779899 and 80255779908.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 577379643 + ... + 577379781.

It is an arithmetic number, because the mean of its divisors is an integer number (365853600).

Almost surely, 2^80255779968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80255779968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140487782400).

80255779968 is an abundant number, since it is smaller than the sum of its proper divisors (200719784832).

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

80255779968 is a wasteful number, since it uses less digits than its factorization.

80255779968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 80255779968 in words is "eighty billion, two hundred fifty-five million, seven hundred seventy-nine thousand, nine hundred sixty-eight".