479818117 has 2 divisors, whose sum is σ = 479818118. Its totient is φ = 479818116.

The previous prime is 479818069. The next prime is 479818127. The reversal of 479818117 is 711818974.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355473316 + 124344801 = 18854^2 + 11151^2 .

It is a cyclic number.

It is not a de Polignac number, because 479818117 - 2¹⁵ = 479785349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479818127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239909058 + 239909059.

It is an arithmetic number, because the mean of its divisors is an integer number (239909059).

Almost surely, 2^479818117 is an apocalyptic number.

It is an amenable number.

479818117 is a deficient number, since it is larger than the sum of its proper divisors (1).

479818117 is an equidigital number, since it uses as much as digits as its factorization.

479818117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 46.

The square root of 479818117 is about 21904.7510143348. The cubic root of 479818117 is about 782.8746202022.

The spelling of 479818117 in words is "four hundred seventy-nine million, eight hundred eighteen thousand, one hundred seventeen".