477720477163 has 16 divisors (see below), whose sum is σ = 522950916096. Its totient is φ = 434438421120.

The previous prime is 477720477161. The next prime is 477720477173. The reversal of 477720477163 is 361774027774.

It is a cyclic number.

It is not a de Polignac number, because 477720477163 - 2¹ = 477720477161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477720477161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366031 + ... + 1043752.

It is an arithmetic number, because the mean of its divisors is an integer number (32684432256).

Almost surely, 2^477720477163 is an apocalyptic number.

477720477163 is a deficient number, since it is larger than the sum of its proper divisors (45230438933).

477720477163 is a wasteful number, since it uses less digits than its factorization.

477720477163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410474.

The product of its (nonzero) digits is 9680832, while the sum is 55.

The spelling of 477720477163 in words is "four hundred seventy-seven billion, seven hundred twenty million, four hundred seventy-seven thousand, one hundred sixty-three".