477655343556775 has 12 divisors (see below), whose sum is σ = 592922054972664. Its totient is φ = 381718191644000.

The previous prime is 477655343556739. The next prime is 477655343556791. The reversal of 477655343556775 is 577655343556774.

It is not a de Polignac number, because 477655343556775 - 2¹³ = 477655343548583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477655343556695 and 477655343556704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10152056041 + ... + 10152103090.

It is an arithmetic number, because the mean of its divisors is an integer number (49410171247722).

Almost surely, 2^{477655343556775} is an apocalyptic number.

477655343556775 is a deficient number, since it is larger than the sum of its proper divisors (115266711415889).

477655343556775 is a wasteful number, since it uses less digits than its factorization.

477655343556775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20304160082 (or 20304160077 counting only the distinct ones).

The product of its digits is 38896200000, while the sum is 79.

Subtracting 477655343556775 from its reverse (577655343556774), we obtain a palindrome (99999999999999).

The spelling of 477655343556775 in words is "four hundred seventy-seven trillion, six hundred fifty-five billion, three hundred forty-three million, five hundred fifty-six thousand, seven hundred seventy-five".