477630321165766 has 4 divisors (see below), whose sum is σ = 716445481748652. Its totient is φ = 238815160582882.

The previous prime is 477630321165761. The next prime is 477630321165773. The reversal of 477630321165766 is 667561123036774.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 477630321165698 and 477630321165707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477630321165761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119407580291440 + ... + 119407580291443.

It is an arithmetic number, because the mean of its divisors is an integer number (179111370437163).

Almost surely, 2^{477630321165766} is an apocalyptic number.

477630321165766 is a deficient number, since it is larger than the sum of its proper divisors (238815160582886).

477630321165766 is a wasteful number, since it uses less digits than its factorization.

477630321165766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238815160582885.

The product of its (nonzero) digits is 160030080, while the sum is 64.

The spelling of 477630321165766 in words is "four hundred seventy-seven trillion, six hundred thirty billion, three hundred twenty-one million, one hundred sixty-five thousand, seven hundred sixty-six".