478348348787 has 8 divisors (see below), whose sum is σ = 491293484352. Its totient is φ = 465404097600.

The previous prime is 478348348741. The next prime is 478348348789. The reversal of 478348348787 is 787843843874.

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 478348348787 - 2¹⁶ = 478348283251 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 478348348787.

It is not an unprimeable number, because it can be changed into a prime (478348348789) 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, 959462 + ... + 1370132.

It is an arithmetic number, because the mean of its divisors is an integer number (61411685544).

Almost surely, 2^478348348787 is an apocalyptic number.

478348348787 is a deficient number, since it is larger than the sum of its proper divisors (12945135565).

478348348787 is a wasteful number, since it uses less digits than its factorization.

478348348787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442189.

The product of its digits is 809238528, while the sum is 71.

The spelling of 478348348787 in words is "four hundred seventy-eight billion, three hundred forty-eight million, three hundred forty-eight thousand, seven hundred eighty-seven".