478969874 has 4 divisors (see below), whose sum is σ = 718454814. Its totient is φ = 239484936.

The previous prime is 478969873. The next prime is 478969877.

478969874 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 378108025 + 100861849 = 19445^2 + 10043^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (478969873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119742467 + ... + 119742470.

Almost surely, 2^478969874 is an apocalyptic number.

478969874 is a deficient number, since it is larger than the sum of its proper divisors (239484940).

478969874 is a wasteful number, since it uses less digits than its factorization.

478969874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239484939.

The product of its digits is 24385536, while the sum is 62.

The square root of 478969874 is about 21885.3803713803. The cubic root of 478969874 is about 782.4130149951.

The spelling of 478969874 in words is "four hundred seventy-eight million, nine hundred sixty-nine thousand, eight hundred seventy-four".