479857686 has 192 divisors, whose sum is σ = 1287014400. Its totient is φ = 119011200.

The previous prime is 479857681. The next prime is 479857687. The reversal of 479857686 is 686758974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479857681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10209715 + ... + 10209761.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^479857686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479857686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643507200).

479857686 is an abundant number, since it is smaller than the sum of its proper divisors (807156714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479857686 is a wasteful number, since it uses less digits than its factorization.

479857686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 111 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The square root of 479857686 is about 21905.6542015983. The cubic root of 479857686 is about 782.8961399637.

The spelling of 479857686 in words is "four hundred seventy-nine million, eight hundred fifty-seven thousand, six hundred eighty-six".