477668061 has 24 divisors (see below), whose sum is σ = 750717240. Its totient is φ = 290912256.

The previous prime is 477668047. The next prime is 477668069. The reversal of 477668061 is 160866774.

It can be written as a sum of positive squares in 4 ways, for example, as 120231225 + 357436836 = 10965^2 + 18906^2 .

It is not a de Polignac number, because 477668061 - 2⁶ = 477667997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477667998 and 477668016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477668069) 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, 9696 + ... + 32393.

It is an arithmetic number, because the mean of its divisors is an integer number (31279885).

Almost surely, 2^477668061 is an apocalyptic number.

It is an amenable number.

477668061 is a deficient number, since it is larger than the sum of its proper divisors (273049179).

477668061 is a wasteful number, since it uses less digits than its factorization.

477668061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42205 (or 42202 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 477668061 is about 21855.6185224761. The cubic root of 477668061 is about 781.7035203918.

The spelling of 477668061 in words is "four hundred seventy-seven million, six hundred sixty-eight thousand, sixty-one".