478527793 has 2 divisors, whose sum is σ = 478527794. Its totient is φ = 478527792.

The previous prime is 478527773. The next prime is 478527823. The reversal of 478527793 is 397725874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434597409 + 43930384 = 20847^2 + 6628^2 .

It is a cyclic number.

It is not a de Polignac number, because 478527793 - 2⁹ = 478527281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478527793.

It is not a weakly prime, because it can be changed into another prime (478527733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239263896 + 239263897.

It is an arithmetic number, because the mean of its divisors is an integer number (239263897).

Almost surely, 2^478527793 is an apocalyptic number.

It is an amenable number.

478527793 is a deficient number, since it is larger than the sum of its proper divisors (1).

478527793 is an equidigital number, since it uses as much as digits as its factorization.

478527793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The square root of 478527793 is about 21875.2781239462. The cubic root of 478527793 is about 782.1722229549.

The spelling of 478527793 in words is "four hundred seventy-eight million, five hundred twenty-seven thousand, seven hundred ninety-three".