478783320 has 64 divisors (see below), whose sum is σ = 1438560000. Its totient is φ = 127479168.

The previous prime is 478783309. The next prime is 478783351. The reversal of 478783320 is 23387874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85981 + ... + 91379.

It is an arithmetic number, because the mean of its divisors is an integer number (22477500).

Almost surely, 2^478783320 is an apocalyptic number.

478783320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478783320 is an abundant number, since it is smaller than the sum of its proper divisors (959776680).

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

478783320 is a wasteful number, since it uses less digits than its factorization.

478783320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 478783320 is about 21881.1178873475. The cubic root of 478783320 is about 782.3114211094.

The spelling of 478783320 in words is "four hundred seventy-eight million, seven hundred eighty-three thousand, three hundred twenty".