476388168768645 has 64 divisors (see below), whose sum is σ = 875333331081216. Its totient is φ = 216722411009280.

The previous prime is 476388168768637. The next prime is 476388168768703. The reversal of 476388168768645 is 546867861883674.

It is a happy number.

It is not a de Polignac number, because 476388168768645 - 2³ = 476388168768637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49625715 + ... + 58442175.

It is an arithmetic number, because the mean of its divisors is an integer number (13677083298144).

Almost surely, 2^{476388168768645} is an apocalyptic number.

It is an amenable number.

476388168768645 is a deficient number, since it is larger than the sum of its proper divisors (398945162312571).

476388168768645 is a wasteful number, since it uses less digits than its factorization.

476388168768645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818970.

The product of its digits is 62426972160, while the sum is 87.

The spelling of 476388168768645 in words is "four hundred seventy-six trillion, three hundred eighty-eight billion, one hundred sixty-eight million, seven hundred sixty-eight thousand, six hundred forty-five".