478323477 has 12 divisors (see below), whose sum is σ = 714736620. Its totient is φ = 307886208.

The previous prime is 478323473. The next prime is 478323493. The reversal of 478323477 is 774323874.

It can be written as a sum of positive squares in 2 ways, for example, as 325405521 + 152917956 = 18039^2 + 12366^2 .

It is not a de Polignac number, because 478323477 - 2² = 478323473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478323473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916068 + ... + 916589.

It is an arithmetic number, because the mean of its divisors is an integer number (59561385).

Almost surely, 2^478323477 is an apocalyptic number.

It is an amenable number.

478323477 is a deficient number, since it is larger than the sum of its proper divisors (236413143).

478323477 is a wasteful number, since it uses less digits than its factorization.

478323477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832692 (or 1832689 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 478323477 is about 21870.6076047283. The cubic root of 478323477 is about 782.0608863009.

The spelling of 478323477 in words is "four hundred seventy-eight million, three hundred twenty-three thousand, four hundred seventy-seven".