80215702336 has 224 divisors, whose sum is σ = 208950202368. Its totient is φ = 29624770560.

The previous prime is 80215702319. The next prime is 80215702339. The reversal of 80215702336 is 63320751208.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 80215702295 and 80215702304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80215702339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12804741 + ... + 12811003.

Almost surely, 2^80215702336 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 80215702336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104475101184).

80215702336 is an abundant number, since it is smaller than the sum of its proper divisors (128734500032).

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

80215702336 is a wasteful number, since it uses less digits than its factorization.

80215702336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429 (or 6419 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 80215702336 in words is "eighty billion, two hundred fifteen million, seven hundred two thousand, three hundred thirty-six".