80386560 has 160 divisors (see below), whose sum is σ = 285785280. Its totient is φ = 21417984.

The previous prime is 80386517. The next prime is 80386577. The reversal of 80386560 is 6568308.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 68539 + ... + 69701.

It is an arithmetic number, because the mean of its divisors is an integer number (1786158).

Almost surely, 2^80386560 is an apocalyptic number.

80386560 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 80386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142892640).

80386560 is an abundant number, since it is smaller than the sum of its proper divisors (205398720).

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

80386560 is a wasteful number, since it uses less digits than its factorization.

80386560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80386560 is about 8965.8552297034. The cubic root of 80386560 is about 431.5798383984.

The spelling of 80386560 in words is "eighty million, three hundred eighty-six thousand, five hundred sixty".