477542664 has 24 divisors (see below), whose sum is σ = 1293344910. Its totient is φ = 159180864.

The previous prime is 477542657. The next prime is 477542669. The reversal of 477542664 is 466245774.

477542664 is a `hidden beast` number, since 47 + 7 + 542 + 6 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 325513764 + 152028900 = 18042^2 + 12330^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (477542669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3316197 + ... + 3316340.

Almost surely, 2^477542664 is an apocalyptic number.

It is an amenable number.

477542664 is an abundant number, since it is smaller than the sum of its proper divisors (815802246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477542664 is a wasteful number, since it uses less digits than its factorization.

477542664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632549 (or 6632542 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The square root of 477542664 is about 21852.7495752823. The cubic root of 477542664 is about 781.6351103645.

The spelling of 477542664 in words is "four hundred seventy-seven million, five hundred forty-two thousand, six hundred sixty-four".