797607648 has 216 divisors, whose sum is σ = 2455132680. Its totient is φ = 254741760.

The previous prime is 797607647. The next prime is 797607659. The reversal of 797607648 is 846706797.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is a junction number, because it is equal to n+sod(n) for n = 797607594 and 797607603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797607647) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6088543 + ... + 6088673.

It is an arithmetic number, because the mean of its divisors is an integer number (11366355).

Almost surely, 2^797607648 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 797607648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227566340).

797607648 is an abundant number, since it is smaller than the sum of its proper divisors (1657525032).

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

797607648 is an equidigital number, since it uses as much as digits as its factorization.

797607648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The square root of 797607648 is about 28241.9483747138. The cubic root of 797607648 is about 927.3914832489.

The spelling of 797607648 in words is "seven hundred ninety-seven million, six hundred seven thousand, six hundred forty-eight".