80136886320 has 120 divisors (see below), whose sum is σ = 269370016656. Its totient is φ = 21350490624.

The previous prime is 80136886301. The next prime is 80136886351. The reversal of 80136886320 is 2368863108.

80136886320 is a `hidden beast` number, since 8 + 0 + 1 + 3 + 6 + 8 + 8 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754419 + ... + 854061.

Almost surely, 2^80136886320 is an apocalyptic number.

80136886320 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 80136886320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134685008328).

80136886320 is an abundant number, since it is smaller than the sum of its proper divisors (189233130336).

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

80136886320 is a wasteful number, since it uses less digits than its factorization.

80136886320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100779 (or 100770 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 80136886320 in words is "eighty billion, one hundred thirty-six million, eight hundred eighty-six thousand, three hundred twenty".