477697 has 4 divisors (see below), whose sum is σ = 521136. Its totient is φ = 434260.

The previous prime is 477677. The next prime is 477721. The reversal of 477697 is 796774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 477697 - 2¹¹ = 475649 is a prime.

It is an Ulam number.

477697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (477637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21703 + ... + 21724.

It is an arithmetic number, because the mean of its divisors is an integer number (130284).

2⁴⁷⁷⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

477697 is a deficient number, since it is larger than the sum of its proper divisors (43439).

477697 is a wasteful number, since it uses less digits than its factorization.

477697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43438.

The product of its digits is 74088, while the sum is 40.

The square root of 477697 is about 691.1562775523. The cubic root of 477697 is about 78.1719306292.

It can be divided in two parts, 47 and 7697, that added together give a square (7744 = 88²).

The spelling of 477697 in words is "four hundred seventy-seven thousand, six hundred ninety-seven".