798734664 has 384 divisors, whose sum is σ = 2887073280. Its totient is φ = 193536000.

The previous prime is 798734633. The next prime is 798734693. The reversal of 798734664 is 466437897.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 798734664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7908214 + ... + 7908314.

It is an arithmetic number, because the mean of its divisors is an integer number (7518420).

Almost surely, 2^798734664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798734664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443536640).

798734664 is an abundant number, since it is smaller than the sum of its proper divisors (2088338616).

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

798734664 is a wasteful number, since it uses less digits than its factorization.

798734664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 214 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 798734664 is about 28261.8942040338. The cubic root of 798734664 is about 927.8280776689.

The spelling of 798734664 in words is "seven hundred ninety-eight million, seven hundred thirty-four thousand, six hundred sixty-four".