477143477 has 2 divisors, whose sum is σ = 477143478. Its totient is φ = 477143476.

The previous prime is 477143473. The next prime is 477143497. The reversal of 477143477 is 774341774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463497841 + 13645636 = 21529^2 + 3694^2 .

It is a cyclic number.

It is not a de Polignac number, because 477143477 - 2² = 477143473 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477143473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238571738 + 238571739.

It is an arithmetic number, because the mean of its divisors is an integer number (238571739).

Almost surely, 2^477143477 is an apocalyptic number.

It is an amenable number.

477143477 is a deficient number, since it is larger than the sum of its proper divisors (1).

477143477 is an equidigital number, since it uses as much as digits as its factorization.

477143477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460992, while the sum is 44.

The square root of 477143477 is about 21843.6141011509. The cubic root of 477143477 is about 781.4172550960.

The spelling of 477143477 in words is "four hundred seventy-seven million, one hundred forty-three thousand, four hundred seventy-seven".