478904527 has 2 divisors, whose sum is σ = 478904528. Its totient is φ = 478904526.

The previous prime is 478904497. The next prime is 478904549. The reversal of 478904527 is 725409874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478904527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478904567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239452263 + 239452264.

It is an arithmetic number, because the mean of its divisors is an integer number (239452264).

Almost surely, 2^478904527 is an apocalyptic number.

478904527 is a deficient number, since it is larger than the sum of its proper divisors (1).

478904527 is an equidigital number, since it uses as much as digits as its factorization.

478904527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 478904527 is about 21883.8873831867. The cubic root of 478904527 is about 782.3774312201.

The spelling of 478904527 in words is "four hundred seventy-eight million, nine hundred four thousand, five hundred twenty-seven".