478204982 has 4 divisors (see below), whose sum is σ = 717307476. Its totient is φ = 239102490.

The previous prime is 478204963. The next prime is 478205009. The reversal of 478204982 is 289402874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 289402874 = 2 ⋅144701437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119551244 + ... + 119551247.

It is an arithmetic number, because the mean of its divisors is an integer number (179326869).

Almost surely, 2^478204982 is an apocalyptic number.

478204982 is a deficient number, since it is larger than the sum of its proper divisors (239102494).

478204982 is a wasteful number, since it uses less digits than its factorization.

478204982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239102493.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 478204982 is about 21867.8984358351. The cubic root of 478204982 is about 781.9963010271.

The spelling of 478204982 in words is "four hundred seventy-eight million, two hundred four thousand, nine hundred eighty-two".