478743701 has 2 divisors, whose sum is σ = 478743702. Its totient is φ = 478743700.

The previous prime is 478743697. The next prime is 478743731. The reversal of 478743701 is 107347874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422343601 + 56400100 = 20551^2 + 7510^2 .

It is a cyclic number.

It is not a de Polignac number, because 478743701 - 2² = 478743697 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478743731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239371850 + 239371851.

It is an arithmetic number, because the mean of its divisors is an integer number (239371851).

Almost surely, 2^478743701 is an apocalyptic number.

It is an amenable number.

478743701 is a deficient number, since it is larger than the sum of its proper divisors (1).

478743701 is an equidigital number, since it uses as much as digits as its factorization.

478743701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 478743701 is about 21880.2125446715. The cubic root of 478743701 is about 782.2898419316.

The spelling of 478743701 in words is "four hundred seventy-eight million, seven hundred forty-three thousand, seven hundred one".