479873197 has 4 divisors (see below), whose sum is σ = 479928316. Its totient is φ = 479818080.

The previous prime is 479873159. The next prime is 479873201. The reversal of 479873197 is 791378974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 102697956 + 377175241 = 10134^2 + 19421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479873197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479870197) 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, 11304 + ... + 32977.

It is an arithmetic number, because the mean of its divisors is an integer number (119982079).

Almost surely, 2^479873197 is an apocalyptic number.

It is an amenable number.

479873197 is a deficient number, since it is larger than the sum of its proper divisors (55119).

479873197 is a wasteful number, since it uses less digits than its factorization.

479873197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55118.

The product of its digits is 2667168, while the sum is 55.

The square root of 479873197 is about 21906.0082397501. The cubic root of 479873197 is about 782.9045753614.

The spelling of 479873197 in words is "four hundred seventy-nine million, eight hundred seventy-three thousand, one hundred ninety-seven".