797591808 has 216 divisors, whose sum is σ = 2559415040. Its totient is φ = 237219840.

The previous prime is 797591789. The next prime is 797591827. The reversal of 797591808 is 808195797.

It is an interprime number because it is at equal distance from previous prime (797591789) and next prime (797591827).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928083 + ... + 928941.

Almost surely, 2^797591808 is an apocalyptic number.

797591808 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797591808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279707520).

797591808 is an abundant number, since it is smaller than the sum of its proper divisors (1761823232).

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

797591808 is a wasteful number, since it uses less digits than its factorization.

797591808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The square root of 797591808 is about 28241.6679394118. The cubic root of 797591808 is about 927.3853440657.

The spelling of 797591808 in words is "seven hundred ninety-seven million, five hundred ninety-one thousand, eight hundred eight".