798427280 has 80 divisors (see below), whose sum is σ = 2150707584. Its totient is φ = 269982720.

The previous prime is 798427271. The next prime is 798427303. The reversal of 798427280 is 82724897.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×798427280² = 1274972242896396800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31115 + ... + 50645.

Almost surely, 2^798427280 is an apocalyptic number.

798427280 is a gapful number since it is divisible by the number (70) 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 798427280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075353792).

798427280 is an abundant number, since it is smaller than the sum of its proper divisors (1352280304).

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

798427280 is a wasteful number, since it uses less digits than its factorization.

798427280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19624 (or 19618 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 798427280 is about 28256.4555455917. The cubic root of 798427280 is about 927.7090410176.

The spelling of 798427280 in words is "seven hundred ninety-eight million, four hundred twenty-seven thousand, two hundred eighty".