798439680 has 432 divisors, whose sum is σ = 3053441664. Its totient is φ = 199065600.

The previous prime is 798439661. The next prime is 798439693. The reversal of 798439680 is 86934897.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5287605 + ... + 5287755.

It is an arithmetic number, because the mean of its divisors is an integer number (7068152).

Almost surely, 2^798439680 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 798439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526720832).

798439680 is an abundant number, since it is smaller than the sum of its proper divisors (2255001984).

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

798439680 is a wasteful number, since it uses less digits than its factorization.

798439680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 798439680 is about 28256.6749636259. The cubic root of 798439680 is about 927.7138435976.

The spelling of 798439680 in words is "seven hundred ninety-eight million, four hundred thirty-nine thousand, six hundred eighty".