809714681088 has 72 divisors (see below), whose sum is σ = 2185374453696. Its totient is φ = 266103398400.

The previous prime is 809714681081. The next prime is 809714681123. The reversal of 809714681088 is 880186417908.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809714681081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7370233 + ... + 7479288.

It is an arithmetic number, because the mean of its divisors is an integer number (30352422968).

Almost surely, 2^809714681088 is an apocalyptic number.

It is an amenable number.

809714681088 is an abundant number, since it is smaller than the sum of its proper divisors (1375659772608).

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

809714681088 is a wasteful number, since it uses less digits than its factorization.

809714681088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14849611 (or 14849597 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 60.

The spelling of 809714681088 in words is "eight hundred nine billion, seven hundred fourteen million, six hundred eighty-one thousand, eighty-eight".