797181873 has 4 divisors (see below), whose sum is σ = 1062909168. Its totient is φ = 531454580.

The previous prime is 797181829. The next prime is 797181881. The reversal of 797181873 is 378181797.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 797181873 - 2¹⁰ = 797180849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (797181373) 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, 132863643 + ... + 132863648.

It is an arithmetic number, because the mean of its divisors is an integer number (265727292).

Almost surely, 2^797181873 is an apocalyptic number.

It is an amenable number.

797181873 is a deficient number, since it is larger than the sum of its proper divisors (265727295).

797181873 is a wasteful number, since it uses less digits than its factorization.

797181873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265727294.

The product of its digits is 592704, while the sum is 51.

The square root of 797181873 is about 28234.4093793371. The cubic root of 797181873 is about 927.2264353537.

The spelling of 797181873 in words is "seven hundred ninety-seven million, one hundred eighty-one thousand, eight hundred seventy-three".