477888681049 has 12 divisors (see below), whose sum is σ = 527507952748. Its totient is φ = 430368773760.

The previous prime is 477888681041. The next prime is 477888681059. The reversal of 477888681049 is 940186888774.

It can be written as a sum of positive squares in 6 ways, for example, as 286259241024 + 191629440025 = 535032^2 + 437755^2 .

It is not a de Polignac number, because 477888681049 - 2³ = 477888681041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477888681041) 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, 10912314 + ... + 10956019.

Almost surely, 2^477888681049 is an apocalyptic number.

It is an amenable number.

477888681049 is a deficient number, since it is larger than the sum of its proper divisors (49619271699).

477888681049 is a wasteful number, since it uses less digits than its factorization.

477888681049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868428 (or 21868387 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 70.

The spelling of 477888681049 in words is "four hundred seventy-seven billion, eight hundred eighty-eight million, six hundred eighty-one thousand, forty-nine".