478688651 has 8 divisors (see below), whose sum is σ = 552092640. Its totient is φ = 406539648.

The previous prime is 478688621. The next prime is 478688659. The reversal of 478688651 is 156886874.

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-478688651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478688593 and 478688602.

It is not an unprimeable number, because it can be changed into a prime (478688659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 312926 + ... + 314451.

It is an arithmetic number, because the mean of its divisors is an integer number (69011580).

Almost surely, 2^478688651 is an apocalyptic number.

478688651 is a deficient number, since it is larger than the sum of its proper divisors (73403989).

478688651 is a wasteful number, since it uses less digits than its factorization.

478688651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627493.

The product of its digits is 2580480, while the sum is 53.

The square root of 478688651 is about 21878.9545225543. The cubic root of 478688651 is about 782.2598560146.

The spelling of 478688651 in words is "four hundred seventy-eight million, six hundred eighty-eight thousand, six hundred fifty-one".