478523674 has 4 divisors (see below), whose sum is σ = 717785514. Its totient is φ = 239261836.

The previous prime is 478523659. The next prime is 478523761. The reversal of 478523674 is 476325874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476325874 = 2 ⋅238162937.

It can be written as a sum of positive squares in only one way, i.e., 327356649 + 151167025 = 18093^2 + 12295^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119630917 + ... + 119630920.

Almost surely, 2^478523674 is an apocalyptic number.

478523674 is a deficient number, since it is larger than the sum of its proper divisors (239261840).

478523674 is a wasteful number, since it uses less digits than its factorization.

478523674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239261839.

The product of its digits is 1128960, while the sum is 46.

The square root of 478523674 is about 21875.1839763692. The cubic root of 478523674 is about 782.1699787267.

The spelling of 478523674 in words is "four hundred seventy-eight million, five hundred twenty-three thousand, six hundred seventy-four".