478690627 has 2 divisors, whose sum is σ = 478690628. Its totient is φ = 478690626.

The previous prime is 478690603. The next prime is 478690649. The reversal of 478690627 is 726096874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478690627 - 2¹⁵ = 478657859 is a prime.

It is not a weakly prime, because it can be changed into another prime (478690657) 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 as a sum of consecutive naturals, namely, 239345313 + 239345314.

It is an arithmetic number, because the mean of its divisors is an integer number (239345314).

Almost surely, 2^478690627 is an apocalyptic number.

478690627 is a deficient number, since it is larger than the sum of its proper divisors (1).

478690627 is an equidigital number, since it uses as much as digits as its factorization.

478690627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 478690627 is about 21878.9996800585. Note that the first 3 decimals coincide. The cubic root of 478690627 is about 782.2609323881.

The spelling of 478690627 in words is "four hundred seventy-eight million, six hundred ninety thousand, six hundred twenty-seven".