798881280 has 80 divisors (see below), whose sum is σ = 2553948144. Its totient is φ = 213032960.

The previous prime is 798881273. The next prime is 798881297. The reversal of 798881280 is 82188897.

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 2×798881280² = 1276422599068876800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44331 + ... + 59690.

Almost surely, 2^798881280 is an apocalyptic number.

It is an amenable number.

798881280 is an abundant number, since it is smaller than the sum of its proper divisors (1755066864).

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

798881280 is a wasteful number, since it uses less digits than its factorization.

798881280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104047 (or 104031 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 51.

The square root of 798881280 is about 28264.4879663510. The cubic root of 798881280 is about 927.8848450056.

The spelling of 798881280 in words is "seven hundred ninety-eight million, eight hundred eighty-one thousand, two hundred eighty".