478376549 has 16 divisors (see below), whose sum is σ = 584857728. Its totient is φ = 381929472.

The previous prime is 478376539. The next prime is 478376551. The reversal of 478376549 is 945673874.

It is a cyclic number.

It is not a de Polignac number, because 478376549 - 2⁴ = 478376533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478376549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478376539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9179 + ... + 32264.

It is an arithmetic number, because the mean of its divisors is an integer number (36553608).

Almost surely, 2^478376549 is an apocalyptic number.

It is an amenable number.

478376549 is a deficient number, since it is larger than the sum of its proper divisors (106481179).

478376549 is a wasteful number, since it uses less digits than its factorization.

478376549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41564.

The product of its digits is 5080320, while the sum is 53.

The square root of 478376549 is about 21871.8208889886. The cubic root of 478376549 is about 782.0898095452.

The spelling of 478376549 in words is "four hundred seventy-eight million, three hundred seventy-six thousand, five hundred forty-nine".