797855738 has 8 divisors (see below), whose sum is σ = 1222247232. Its totient is φ = 390439996.

The previous prime is 797855731. The next prime is 797855767. The reversal of 797855738 is 837558797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (797855731) 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, 4243820 + ... + 4244007.

It is an arithmetic number, because the mean of its divisors is an integer number (152780904).

Almost surely, 2^797855738 is an apocalyptic number.

797855738 is a deficient number, since it is larger than the sum of its proper divisors (424391494).

797855738 is a wasteful number, since it uses less digits than its factorization.

797855738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487876.

The product of its digits is 14817600, while the sum is 59.

The square root of 797855738 is about 28246.3402585184. The cubic root of 797855738 is about 927.4876260509.

The spelling of 797855738 in words is "seven hundred ninety-seven million, eight hundred fifty-five thousand, seven hundred thirty-eight".