477725057 has 2 divisors, whose sum is σ = 477725058. Its totient is φ = 477725056.

The previous prime is 477725047. The next prime is 477725081. The reversal of 477725057 is 750527774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465221761 + 12503296 = 21569^2 + 3536^2 .

It is a cyclic number.

It is not a de Polignac number, because 477725057 - 2⁶ = 477724993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477724999 and 477725017.

It is not a weakly prime, because it can be changed into another prime (477725047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238862528 + 238862529.

It is an arithmetic number, because the mean of its divisors is an integer number (238862529).

Almost surely, 2^477725057 is an apocalyptic number.

It is an amenable number.

477725057 is a deficient number, since it is larger than the sum of its proper divisors (1).

477725057 is an equidigital number, since it uses as much as digits as its factorization.

477725057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480200, while the sum is 44.

The square root of 477725057 is about 21856.9224045839. The cubic root of 477725057 is about 781.7346104629.

The spelling of 477725057 in words is "four hundred seventy-seven million, seven hundred twenty-five thousand, fifty-seven".