477108878188648 has 32 divisors (see below), whose sum is σ = 957844162283400. Its totient is φ = 221999107889152.

The previous prime is 477108878188619. The next prime is 477108878188661. The reversal of 477108878188648 is 846881878801774.

It can be written as a sum of positive squares in 4 ways, for example, as 339075469656004 + 138033408532644 = 18414002^2 + 11748762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19708715515 + ... + 19708739722.

Almost surely, 2^{477108878188648} is an apocalyptic number.

It is an amenable number.

477108878188648 is an abundant number, since it is smaller than the sum of its proper divisors (480735284094752).

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

477108878188648 is a wasteful number, since it uses less digits than its factorization.

477108878188648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39417455349 (or 39417455345 counting only the distinct ones).

The product of its (nonzero) digits is 8631877632, while the sum is 85.

The spelling of 477108878188648 in words is "four hundred seventy-seven trillion, one hundred eight billion, eight hundred seventy-eight million, one hundred eighty-eight thousand, six hundred forty-eight".