475664370861764 has 36 divisors (see below), whose sum is σ = 968439221353296. Its totient is φ = 203830376544144.

The previous prime is 475664370861751. The next prime is 475664370861767. The reversal of 475664370861764 is 467168073466574.

It is a super-2 number, since 2×475664370861764² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 475664370861691 and 475664370861700.

It is not an unprimeable number, because it can be changed into a prime (475664370861767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151912922 + ... + 155012465.

It is an arithmetic number, because the mean of its divisors is an integer number (26901089482036).

Almost surely, 2^{475664370861764} is an apocalyptic number.

It is an amenable number.

475664370861764 is an abundant number, since it is smaller than the sum of its proper divisors (492774850491532).

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

475664370861764 is a wasteful number, since it uses less digits than its factorization.

475664370861764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306933312 (or 306933303 counting only the distinct ones).

The product of its (nonzero) digits is 3413975040, while the sum is 74.

The spelling of 475664370861764 in words is "four hundred seventy-five trillion, six hundred sixty-four billion, three hundred seventy million, eight hundred sixty-one thousand, seven hundred sixty-four".