477620545 has 8 divisors (see below), whose sum is σ = 582540840. Its totient is φ = 375832320.

The previous prime is 477620527. The next prime is 477620551. The reversal of 477620545 is 545026774.

It can be written as a sum of positive squares in 4 ways, for example, as 5340721 + 472279824 = 2311^2 + 21732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 477620545 - 2⁷ = 477620417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477620498 and 477620507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782680 + ... + 783289.

It is an arithmetic number, because the mean of its divisors is an integer number (72817605).

Almost surely, 2^477620545 is an apocalyptic number.

It is an amenable number.

477620545 is a deficient number, since it is larger than the sum of its proper divisors (104920295).

477620545 is a wasteful number, since it uses less digits than its factorization.

477620545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566035.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 477620545 is about 21854.5314523098. The cubic root of 477620545 is about 781.6775995630.

The spelling of 477620545 in words is "four hundred seventy-seven million, six hundred twenty thousand, five hundred forty-five".