479818457 has 12 divisors (see below), whose sum is σ = 507620016. Its totient is φ = 453471480.

The previous prime is 479818447. The next prime is 479818483. The reversal of 479818457 is 754818974.

It is a happy number.

It is not a de Polignac number, because 479818457 - 2¹⁶ = 479752921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479818399 and 479818408.

It is not an unprimeable number, because it can be changed into a prime (479818447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175898 + ... + 178604.

It is an arithmetic number, because the mean of its divisors is an integer number (42301668).

Almost surely, 2^479818457 is an apocalyptic number.

It is an amenable number.

479818457 is a deficient number, since it is larger than the sum of its proper divisors (27801559).

479818457 is a wasteful number, since it uses less digits than its factorization.

479818457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3217 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 53.

The square root of 479818457 is about 21904.7587752068. The cubic root of 479818457 is about 782.8748051176.

The spelling of 479818457 in words is "four hundred seventy-nine million, eight hundred eighteen thousand, four hundred fifty-seven".