477679 has 8 divisors (see below), whose sum is σ = 519680. Its totient is φ = 437400.

The previous prime is 477677. The next prime is 477721. The reversal of 477679 is 976774.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 477679 - 2¹ = 477677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (64960).

2⁴⁷⁷⁶⁷⁹ is an apocalyptic number.

477679 is a deficient number, since it is larger than the sum of its proper divisors (42001).

477679 is a wasteful number, since it uses less digits than its factorization.

477679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

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

The square root of 477679 is about 691.1432557726. The cubic root of 477679 is about 78.1709487569.

It can be divided in two parts, 477 and 679, that added together give a square (1156 = 34²).

The spelling of 477679 in words is "four hundred seventy-seven thousand, six hundred seventy-nine".