477656480889 has 24 divisors (see below), whose sum is σ = 790237743360. Its totient is φ = 272349286848.

The previous prime is 477656480837. The next prime is 477656480923. The reversal of 477656480889 is 988084656774.

477656480889 is a `hidden beast` number, since 4 + 7 + 7 + 65 + 6 + 480 + 8 + 89 = 666.

It is not a de Polignac number, because 477656480889 - 2¹² = 477656476793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (477656480489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8266449 + ... + 8324030.

It is an arithmetic number, because the mean of its divisors is an integer number (32926572640).

Almost surely, 2^477656480889 is an apocalyptic number.

It is an amenable number.

477656480889 is a deficient number, since it is larger than the sum of its proper divisors (312581262471).

477656480889 is a wasteful number, since it uses less digits than its factorization.

477656480889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590949 (or 16590946 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 477656480889 in words is "four hundred seventy-seven billion, six hundred fifty-six million, four hundred eighty thousand, eight hundred eighty-nine".