478811767 has 8 divisors (see below), whose sum is σ = 548793216. Its totient is φ = 409225272.

The previous prime is 478811759. The next prime is 478811797. The reversal of 478811767 is 767118874.

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 478811767 - 2³ = 478811759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478811767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478811747) 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, 96133 + ... + 100990.

It is an arithmetic number, because the mean of its divisors is an integer number (68599152).

Almost surely, 2^478811767 is an apocalyptic number.

478811767 is a deficient number, since it is larger than the sum of its proper divisors (69981449).

478811767 is a wasteful number, since it uses less digits than its factorization.

478811767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197477.

The product of its digits is 526848, while the sum is 49.

The square root of 478811767 is about 21881.7679130366. The cubic root of 478811767 is about 782.3269145287.

The spelling of 478811767 in words is "four hundred seventy-eight million, eight hundred eleven thousand, seven hundred sixty-seven".