478886047 has 8 divisors (see below), whose sum is σ = 495061632. Its totient is φ = 462756000.

The previous prime is 478886029. The next prime is 478886053. The reversal of 478886047 is 740688874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478886047 is a prime.

It is a super-2 number, since 2×478886047² = 458663692022572418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478885985 and 478886003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478886017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10713 + ... + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (61882704).

Almost surely, 2^478886047 is an apocalyptic number.

478886047 is a deficient number, since it is larger than the sum of its proper divisors (16175585).

478886047 is a wasteful number, since it uses less digits than its factorization.

478886047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22769.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The square root of 478886047 is about 21883.4651506566. The cubic root of 478886047 is about 782.3673676131.

It can be divided in two parts, 47888 and 6047, that added together give a palindrome (53935).

The spelling of 478886047 in words is "four hundred seventy-eight million, eight hundred eighty-six thousand, forty-seven".