802785561026 has 16 divisors (see below), whose sum is σ = 1206973535040. Its totient is φ = 400462093680.

The previous prime is 802785561001. The next prime is 802785561029. The reversal of 802785561026 is 620165587208.

It is not an unprimeable number, because it can be changed into a prime (802785561029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282505 + ... + 1802883.

It is an arithmetic number, because the mean of its divisors is an integer number (75435845940).

Almost surely, 2^802785561026 is an apocalyptic number.

802785561026 is a deficient number, since it is larger than the sum of its proper divisors (404187974014).

802785561026 is a wasteful number, since it uses less digits than its factorization.

802785561026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522169.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 802785561026 in words is "eight hundred two billion, seven hundred eighty-five million, five hundred sixty-one thousand, twenty-six".