809600000 has 264 divisors, whose sum is σ = 2302727616. Its totient is φ = 281600000.

The previous prime is 809599969. The next prime is 809600017. The reversal of 809600000 is 6908.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35199989 + ... + 35200011.

Almost surely, 2^809600000 is an apocalyptic number.

809600000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151363808).

809600000 is an abundant number, since it is smaller than the sum of its proper divisors (1493127616).

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

809600000 is an equidigital number, since it uses as much as digits as its factorization.

809600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 809600000 is about 28453.4707900460. The cubic root of 809600000 is about 932.0162829405.

Adding to 809600000 its reverse (6908), we get a palindrome (809606908).

The spelling of 809600000 in words is "eight hundred nine million, six hundred thousand".