797880823 has 4 divisors (see below), whose sum is σ = 809789560. Its totient is φ = 785972088.

The previous prime is 797880719. The next prime is 797880859. The reversal of 797880823 is 328088797.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 797880823 - 2⁹ = 797880311 is a prime.

It is a super-2 number, since 2×797880823² = 1273227615422314658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797880893) 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, 5954268 + ... + 5954401.

It is an arithmetic number, because the mean of its divisors is an integer number (202447390).

Almost surely, 2^797880823 is an apocalyptic number.

797880823 is a deficient number, since it is larger than the sum of its proper divisors (11908737).

797880823 is a wasteful number, since it uses less digits than its factorization.

797880823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908736.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 797880823 is about 28246.7842948538. The cubic root of 797880823 is about 927.4973461804.

The spelling of 797880823 in words is "seven hundred ninety-seven million, eight hundred eighty thousand, eight hundred twenty-three".