802789790 has 64 divisors (see below), whose sum is σ = 1632026880. Its totient is φ = 281783040.

The previous prime is 802789789. The next prime is 802789807. The reversal of 802789790 is 97987208.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 420017 + ... + 421923.

It is an arithmetic number, because the mean of its divisors is an integer number (25500420).

Almost surely, 2^802789790 is an apocalyptic number.

802789790 is an abundant number, since it is smaller than the sum of its proper divisors (829237090).

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

802789790 is a wasteful number, since it uses less digits than its factorization.

802789790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 802789790 is about 28333.5453129325. The cubic root of 802789790 is about 929.3956029775.

The spelling of 802789790 in words is "eight hundred two million, seven hundred eighty-nine thousand, seven hundred ninety".