797155312 has 20 divisors (see below), whose sum is σ = 1560414016. Its totient is φ = 394467840.

The previous prime is 797155301. The next prime is 797155319. The reversal of 797155312 is 213551797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797155319) 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, 255264 + ... + 258367.

Almost surely, 2^797155312 is an apocalyptic number.

It is an amenable number.

797155312 is a deficient number, since it is larger than the sum of its proper divisors (763258704).

797155312 is a wasteful number, since it uses less digits than its factorization.

797155312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513736 (or 513730 counting only the distinct ones).

The product of its digits is 66150, while the sum is 40.

The square root of 797155312 is about 28233.9390096387. The cubic root of 797155312 is about 927.2161372709.

The spelling of 797155312 in words is "seven hundred ninety-seven million, one hundred fifty-five thousand, three hundred twelve".