477960557 has 2 divisors, whose sum is σ = 477960558. Its totient is φ = 477960556.

The previous prime is 477960551. The next prime is 477960577. The reversal of 477960557 is 755069774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414773956 + 63186601 = 20366^2 + 7949^2 .

It is a cyclic number.

It is not a de Polignac number, because 477960557 - 2⁴ = 477960541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477960551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238980278 + 238980279.

It is an arithmetic number, because the mean of its divisors is an integer number (238980279).

Almost surely, 2^477960557 is an apocalyptic number.

It is an amenable number.

477960557 is a deficient number, since it is larger than the sum of its proper divisors (1).

477960557 is an equidigital number, since it uses as much as digits as its factorization.

477960557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The square root of 477960557 is about 21862.3090500523. The cubic root of 477960557 is about 781.8630443499.

The spelling of 477960557 in words is "four hundred seventy-seven million, nine hundred sixty thousand, five hundred fifty-seven".