802530780 has 48 divisors (see below), whose sum is σ = 2264801280. Its totient is φ = 212321088.

The previous prime is 802530779. The next prime is 802530787. The reversal of 802530780 is 87035208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802530787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45040 + ... + 60279.

It is an arithmetic number, because the mean of its divisors is an integer number (47183360).

Almost surely, 2^802530780 is an apocalyptic number.

It is an amenable number.

802530780 is an abundant number, since it is smaller than the sum of its proper divisors (1462270500).

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

802530780 is a wasteful number, since it uses less digits than its factorization.

802530780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105458 (or 105456 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 802530780 is about 28328.9742136915. The cubic root of 802530780 is about 929.2956396365.

Adding to 802530780 its reverse (87035208), we get a palindrome (889565988).

The spelling of 802530780 in words is "eight hundred two million, five hundred thirty thousand, seven hundred eighty".