8282780 has 24 divisors (see below), whose sum is σ = 18975600. Its totient is φ = 3011840.

The previous prime is 8282773. The next prime is 8282809. The reversal of 8282780 is 872828.

It is a self number, because there is not a number n which added to its sum of digits gives 8282780.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18605 + ... + 19044.

It is an arithmetic number, because the mean of its divisors is an integer number (790650).

Almost surely, 2^8282780 is an apocalyptic number.

It is an amenable number.

8282780 is an abundant number, since it is smaller than the sum of its proper divisors (10692820).

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

8282780 is a wasteful number, since it uses less digits than its factorization.

8282780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37669 (or 37667 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 8282780 is about 2877.9819318404. The cubic root of 8282780 is about 202.3292672585.

The spelling of 8282780 in words is "eight million, two hundred eighty-two thousand, seven hundred eighty".