80755280 has 40 divisors (see below), whose sum is σ = 188178432. Its totient is φ = 32229504.

The previous prime is 80755273. The next prime is 80755291. The reversal of 80755280 is 8255708.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 80755280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47729 + ... + 49391.

Almost surely, 2^80755280 is an apocalyptic number.

80755280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80755280 is an abundant number, since it is smaller than the sum of its proper divisors (107423152).

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

80755280 is a wasteful number, since it uses less digits than its factorization.

80755280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 80755280 is about 8986.3941600622. The cubic root of 80755280 is about 432.2386941068.

The spelling of 80755280 in words is "eighty million, seven hundred fifty-five thousand, two hundred eighty".