477689347 has 2 divisors, whose sum is σ = 477689348. Its totient is φ = 477689346.

The previous prime is 477689293. The next prime is 477689357. The reversal of 477689347 is 743986774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477689347 - 2¹⁵ = 477656579 is a prime.

It is a super-2 number, since 2×477689347² = 456374224474572818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (477689357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238844673 + 238844674.

It is an arithmetic number, because the mean of its divisors is an integer number (238844674).

Almost surely, 2^477689347 is an apocalyptic number.

477689347 is a deficient number, since it is larger than the sum of its proper divisors (1).

477689347 is an equidigital number, since it uses as much as digits as its factorization.

477689347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 55.

The square root of 477689347 is about 21856.1054856532. The cubic root of 477689347 is about 781.7151317285.

The spelling of 477689347 in words is "four hundred seventy-seven million, six hundred eighty-nine thousand, three hundred forty-seven".