477489347 has 2 divisors, whose sum is σ = 477489348. Its totient is φ = 477489346.

The previous prime is 477489343. The next prime is 477489409. The reversal of 477489347 is 743984774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477489347 - 2² = 477489343 is a prime.

It is not a weakly prime, because it can be changed into another prime (477489343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238744673 + 238744674.

It is an arithmetic number, because the mean of its divisors is an integer number (238744674).

Almost surely, 2^477489347 is an apocalyptic number.

477489347 is a deficient number, since it is larger than the sum of its proper divisors (1).

477489347 is an equidigital number, since it uses as much as digits as its factorization.

477489347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The square root of 477489347 is about 21851.5296260925. The cubic root of 477489347 is about 781.6060197769.

The spelling of 477489347 in words is "four hundred seventy-seven million, four hundred eighty-nine thousand, three hundred forty-seven".