80786308155280 has 640 divisors, whose sum is σ = 248339945226240. Its totient is φ = 23715282124800.

The previous prime is 80786308155257. The next prime is 80786308155313. The reversal of 80786308155280 is 8255180368708.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2373328501 + ... + 2373362539.

It is an arithmetic number, because the mean of its divisors is an integer number (388031164416).

Almost surely, 2^{80786308155280} is an apocalyptic number.

80786308155280 is a gapful number since it is divisible by the number (80) 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 80786308155280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124169972613120).

80786308155280 is an abundant number, since it is smaller than the sum of its proper divisors (167553637070960).

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

80786308155280 is a wasteful number, since it uses less digits than its factorization.

80786308155280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34367 (or 34361 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 80786308155280 in words is "eighty trillion, seven hundred eighty-six billion, three hundred eight million, one hundred fifty-five thousand, two hundred eighty".