478843654 has 4 divisors (see below), whose sum is σ = 718265484. Its totient is φ = 239421826.

The previous prime is 478843627. The next prime is 478843697. The reversal of 478843654 is 456348874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456348874 = 2 ⋅228174437.

It is a junction number, because it is equal to n+sod(n) for n = 478843598 and 478843607.

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, 119710912 + ... + 119710915.

It is an arithmetic number, because the mean of its divisors is an integer number (179566371).

Almost surely, 2^478843654 is an apocalyptic number.

478843654 is a deficient number, since it is larger than the sum of its proper divisors (239421830).

478843654 is a wasteful number, since it uses less digits than its factorization.

478843654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239421829.

The product of its digits is 2580480, while the sum is 49.

The square root of 478843654 is about 21882.4965211925. The cubic root of 478843654 is about 782.3442807857.

The spelling of 478843654 in words is "four hundred seventy-eight million, eight hundred forty-three thousand, six hundred fifty-four".