478514477 has 8 divisors (see below), whose sum is σ = 547500096. Its totient is φ = 409685472.

The previous prime is 478514459. The next prime is 478514479. The reversal of 478514477 is 774415874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478514477 - 2¹⁶ = 478448941 is a prime.

It is a super-2 number, since 2×478514477² = 457952209397167058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478514479) 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, 32528 + ... + 44889.

It is an arithmetic number, because the mean of its divisors is an integer number (68437512).

Almost surely, 2^478514477 is an apocalyptic number.

It is an amenable number.

478514477 is a deficient number, since it is larger than the sum of its proper divisors (68985619).

478514477 is an equidigital number, since it uses as much as digits as its factorization.

478514477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78307.

The product of its digits is 878080, while the sum is 47.

The square root of 478514477 is about 21874.9737599843. The cubic root of 478514477 is about 782.1649677149.

The spelling of 478514477 in words is "four hundred seventy-eight million, five hundred fourteen thousand, four hundred seventy-seven".