797278208 has 64 divisors (see below), whose sum is σ = 1651482000. Its totient is φ = 384434176.

The previous prime is 797278201. The next prime is 797278219. The reversal of 797278208 is 802872797.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797278201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949853 + ... + 950691.

Almost surely, 2^797278208 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 797278208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825741000).

797278208 is an abundant number, since it is smaller than the sum of its proper divisors (854203792).

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

797278208 is an frugal number, since it uses more digits than its factorization.

With its successor (797278209) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (870).

797278208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 797278208 is about 28236.1153135484. The cubic root of 797278208 is about 927.2637839036.

The spelling of 797278208 in words is "seven hundred ninety-seven million, two hundred seventy-eight thousand, two hundred eight".