802036780 has 12 divisors (see below), whose sum is σ = 1684277280. Its totient is φ = 320814704.

The previous prime is 802036777. The next prime is 802036787. The reversal of 802036780 is 87630208.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (802036787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20050900 + ... + 20050939.

It is an arithmetic number, because the mean of its divisors is an integer number (140356440).

Almost surely, 2^802036780 is an apocalyptic number.

It is an amenable number.

802036780 is an abundant number, since it is smaller than the sum of its proper divisors (882240500).

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

802036780 is a wasteful number, since it uses less digits than its factorization.

802036780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40101848 (or 40101846 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 802036780 is about 28320.2538830428. The cubic root of 802036780 is about 929.1049236814.

Adding to 802036780 its reverse (87630208), we get a palindrome (889666988).

It can be divided in two parts, 802036 and 780, that added together give a square (802816 = 896²).

The spelling of 802036780 in words is "eight hundred two million, thirty-six thousand, seven hundred eighty".