475241778 has 144 divisors (see below), whose sum is σ = 1210023360. Its totient is φ = 134397120.

The previous prime is 475241777. The next prime is 475241779. The reversal of 475241778 is 877142574.

475241778 is a `hidden beast` number, since 47 + 524 + 17 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (475241777) and next prime (475241779).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (475241771) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2654893 + ... + 2655071.

It is an arithmetic number, because the mean of its divisors is an integer number (8402940).

Almost surely, 2^475241778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475241778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605011680).

475241778 is an abundant number, since it is smaller than the sum of its proper divisors (734781582).

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

475241778 is a wasteful number, since it uses less digits than its factorization.

475241778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 271 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 475241778 is about 21800.0407797784. The cubic root of 475241778 is about 780.3777361736.

The spelling of 475241778 in words is "four hundred seventy-five million, two hundred forty-one thousand, seven hundred seventy-eight".