477668797279 has 8 divisors (see below), whose sum is σ = 480714743520. Its totient is φ = 474629126496.

The previous prime is 477668797217. The next prime is 477668797289. The reversal of 477668797279 is 972797866774.

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 a de Polignac number, because none of the positive numbers 2^k-477668797279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 477668797199 and 477668797208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477668797289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416099 + ... + 1720660.

It is an arithmetic number, because the mean of its divisors is an integer number (60089342940).

Almost surely, 2^477668797279 is an apocalyptic number.

477668797279 is a deficient number, since it is larger than the sum of its proper divisors (3045946241).

477668797279 is a wasteful number, since it uses less digits than its factorization.

477668797279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137729.

The product of its digits is 3136589568, while the sum is 79.

The spelling of 477668797279 in words is "four hundred seventy-seven billion, six hundred sixty-eight million, seven hundred ninety-seven thousand, two hundred seventy-nine".