478827407 has 2 divisors, whose sum is σ = 478827408. Its totient is φ = 478827406.

The previous prime is 478827361. The next prime is 478827451. The reversal of 478827407 is 704728874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478827407 - 2¹⁴ = 478811023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478127407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239413703 + 239413704.

It is an arithmetic number, because the mean of its divisors is an integer number (239413704).

Almost surely, 2^478827407 is an apocalyptic number.

478827407 is a deficient number, since it is larger than the sum of its proper divisors (1).

478827407 is an equidigital number, since it uses as much as digits as its factorization.

478827407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 478827407 is about 21882.1252852642. The cubic root of 478827407 is about 782.3354324618.

The spelling of 478827407 in words is "four hundred seventy-eight million, eight hundred twenty-seven thousand, four hundred seven".