797155328 has 112 divisors (see below), whose sum is σ = 1706977536. Its totient is φ = 371589120.

The previous prime is 797155319. The next prime is 797155349. The reversal of 797155328 is 823551797.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 10919900 + ... + 10919972.

Almost surely, 2^797155328 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 797155328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853488768).

797155328 is an abundant number, since it is smaller than the sum of its proper divisors (909822208).

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

797155328 is an equidigital number, since it uses as much as digits as its factorization.

797155328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 149 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The square root of 797155328 is about 28233.9392929857. The cubic root of 797155328 is about 927.2161434744.

The spelling of 797155328 in words is "seven hundred ninety-seven million, one hundred fifty-five thousand, three hundred twenty-eight".