479307780 has 288 divisors, whose sum is σ = 1755796224. Its totient is φ = 107495424.

The previous prime is 479307757. The next prime is 479307791. The reversal of 479307780 is 87703974.

479307780 is a `hidden beast` number, since 479 + 30 + 77 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2483364 + ... + 2483556.

Almost surely, 2^479307780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479307780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877898112).

479307780 is an abundant number, since it is smaller than the sum of its proper divisors (1276488444).

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

479307780 is a wasteful number, since it uses less digits than its factorization.

479307780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 479307780 is about 21893.0989126711. The cubic root of 479307780 is about 782.5969652590.

The spelling of 479307780 in words is "four hundred seventy-nine million, three hundred seven thousand, seven hundred eighty".