479194861 has 4 divisors (see below), whose sum is σ = 507382812. Its totient is φ = 451006912.

The previous prime is 479194843. The next prime is 479194867. The reversal of 479194861 is 168491974.

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

It can be written as a sum of positive squares in 2 ways, for example, as 438106761 + 41088100 = 20931^2 + 6410^2 .

It is a cyclic number.

It is not a de Polignac number, because 479194861 - 2⁵ = 479194829 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479194867) 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, 14093950 + ... + 14093983.

It is an arithmetic number, because the mean of its divisors is an integer number (126845703).

Almost surely, 2^479194861 is an apocalyptic number.

It is an amenable number.

479194861 is a deficient number, since it is larger than the sum of its proper divisors (28187951).

479194861 is a wasteful number, since it uses less digits than its factorization.

479194861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28187950.

The product of its digits is 435456, while the sum is 49.

The square root of 479194861 is about 21890.5198887555. The cubic root of 479194861 is about 782.5355037020.

The spelling of 479194861 in words is "four hundred seventy-nine million, one hundred ninety-four thousand, eight hundred sixty-one".