479797728 has 48 divisors (see below), whose sum is σ = 1325761920. Its totient is φ = 151514496.

The previous prime is 479797723. The next prime is 479797729. The reversal of 479797728 is 827797974.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479797723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129700 + ... + 133347.

It is an arithmetic number, because the mean of its divisors is an integer number (27620040).

Almost surely, 2^479797728 is an apocalyptic number.

479797728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

479797728 is an abundant number, since it is smaller than the sum of its proper divisors (845964192).

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

479797728 is a wasteful number, since it uses less digits than its factorization.

479797728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263079 (or 263071 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 60.

The square root of 479797728 is about 21904.2856080722. The cubic root of 479797728 is about 782.8635310998.

The spelling of 479797728 in words is "four hundred seventy-nine million, seven hundred ninety-seven thousand, seven hundred twenty-eight".