7800823085 has 16 divisors (see below), whose sum is σ = 10229250240. Its totient is φ = 5663735040.

The previous prime is 7800823067. The next prime is 7800823159. The reversal of 7800823085 is 5803280087.

It is not a de Polignac number, because 7800823085 - 2⁶ = 7800823021 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 86975 + ... + 152204.

It is an arithmetic number, because the mean of its divisors is an integer number (639328140).

Almost surely, 2^7800823085 is an apocalyptic number.

It is an amenable number.

7800823085 is a deficient number, since it is larger than the sum of its proper divisors (2428427155).

7800823085 is a wasteful number, since it uses less digits than its factorization.

7800823085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239788.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 7800823085 is about 88322.2683415683. The cubic root of 7800823085 is about 1983.2622381753.

The spelling of 7800823085 in words is "seven billion, eight hundred million, eight hundred twenty-three thousand, eighty-five".