477705461 has 2 divisors, whose sum is σ = 477705462. Its totient is φ = 477705460.

The previous prime is 477705439. The next prime is 477705479. The reversal of 477705461 is 164507774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442302961 + 35402500 = 21031^2 + 5950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477705461 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 (477705401) 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, 238852730 + 238852731.

It is an arithmetic number, because the mean of its divisors is an integer number (238852731).

Almost surely, 2^477705461 is an apocalyptic number.

It is an amenable number.

477705461 is a deficient number, since it is larger than the sum of its proper divisors (1).

477705461 is an equidigital number, since it uses as much as digits as its factorization.

477705461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 477705461 is about 21856.4741209556. The cubic root of 477705461 is about 781.7239215526.

The spelling of 477705461 in words is "four hundred seventy-seven million, seven hundred five thousand, four hundred sixty-one".