475647461064 has 64 divisors (see below), whose sum is σ = 1321950240000. Its totient is φ = 158464278720.

The previous prime is 475647461059. The next prime is 475647461087. The reversal of 475647461064 is 460164746574.

475647461064 is a `hidden beast` number, since 4 + 7 + 56 + 474 + 61 + 0 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 475647461064.

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, 184339 + ... + 992610.

It is an arithmetic number, because the mean of its divisors is an integer number (20655472500).

Almost surely, 2^475647461064 is an apocalyptic number.

It is an amenable number.

475647461064 is an abundant number, since it is smaller than the sum of its proper divisors (846302778936).

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

475647461064 is a wasteful number, since it uses less digits than its factorization.

475647461064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178835 (or 1178825 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 475647461064 in words is "four hundred seventy-five billion, six hundred forty-seven million, four hundred sixty-one thousand, sixty-four".