80556282 has 20 divisors (see below), whose sum is σ = 180506106. Its totient is φ = 26852040.

The previous prime is 80556277. The next prime is 80556283. The reversal of 80556282 is 28265508.

80556282 is a `hidden beast` number, since 80 + 556 + 28 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54331641 + 26224641 = 7371^2 + 5121^2 .

It is not an unprimeable number, because it can be changed into a prime (80556283) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248469 + ... + 248792.

Almost surely, 2^80556282 is an apocalyptic number.

80556282 is an abundant number, since it is smaller than the sum of its proper divisors (99949824).

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

80556282 is a wasteful number, since it uses less digits than its factorization.

80556282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497275 (or 497266 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 80556282 is about 8975.3151476703. The cubic root of 80556282 is about 431.8833597136.

The spelling of 80556282 in words is "eighty million, five hundred fifty-six thousand, two hundred eighty-two".