797890560 has 192 divisors, whose sum is σ = 2688940800. Its totient is φ = 201424896.

The previous prime is 797890549. The next prime is 797890589. The reversal of 797890560 is 65098797.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×797890560² = 1273258691474227200, which contains 22 as substring.

It is a congruent number.

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, 582997 + ... + 584363.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2^797890560 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 797890560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344470400).

797890560 is an abundant number, since it is smaller than the sum of its proper divisors (1891050240).

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

797890560 is a wasteful number, since it uses less digits than its factorization.

797890560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 797890560 is about 28246.9566502305. The cubic root of 797890560 is about 927.5011190935.

The spelling of 797890560 in words is "seven hundred ninety-seven million, eight hundred ninety thousand, five hundred sixty".