478687046 has 8 divisors (see below), whose sum is σ = 725433240. Its totient is φ = 236875968.

The previous prime is 478687039. The next prime is 478687091. The reversal of 478687046 is 640786874.

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

It is a super-2 number, since 2×478687046² = 458282576016412232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478686985 and 478687003.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1233536 + ... + 1233923.

It is an arithmetic number, because the mean of its divisors is an integer number (90679155).

Almost surely, 2^478687046 is an apocalyptic number.

478687046 is a deficient number, since it is larger than the sum of its proper divisors (246746194).

478687046 is a wasteful number, since it uses less digits than its factorization.

478687046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467558.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 478687046 is about 21878.9178434401. The cubic root of 478687046 is about 782.2589817313.

The spelling of 478687046 in words is "four hundred seventy-eight million, six hundred eighty-seven thousand, forty-six".