809839050080 has 48 divisors (see below), whose sum is σ = 1913337345024. Its totient is φ = 323919943680.

The previous prime is 809839050029. The next prime is 809839050091. The reversal of 809839050080 is 80050938908.

809839050080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534200 + ... + 3756360.

It is an arithmetic number, because the mean of its divisors is an integer number (39861194688).

Almost surely, 2^809839050080 is an apocalyptic number.

809839050080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

809839050080 is an abundant number, since it is smaller than the sum of its proper divisors (1103498294944).

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

809839050080 is a wasteful number, since it uses less digits than its factorization.

809839050080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244959 (or 244951 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

Adding to 809839050080 its reverse (80050938908), we get a palindrome (889889988988).

The spelling of 809839050080 in words is "eight hundred nine billion, eight hundred thirty-nine million, fifty thousand, eighty".