475516663776 has 240 divisors, whose sum is σ = 1743561832320. Its totient is φ = 123510769920.

The previous prime is 475516663771. The next prime is 475516663777. The reversal of 475516663776 is 677366615574.

It is a happy number.

It is a super-2 number, since 2×475516663776² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475516663771) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 991686 + ... + 1390853.

It is an arithmetic number, because the mean of its divisors is an integer number (7264840968).

Almost surely, 2^475516663776 is an apocalyptic number.

It is an amenable number.

475516663776 is an abundant number, since it is smaller than the sum of its proper divisors (1268045168544).

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

475516663776 is a wasteful number, since it uses less digits than its factorization.

475516663776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382579 (or 2382562 counting only the distinct ones).

The product of its digits is 133358400, while the sum is 63.

The spelling of 475516663776 in words is "four hundred seventy-five billion, five hundred sixteen million, six hundred sixty-three thousand, seven hundred seventy-six".