477340891 has 2 divisors, whose sum is σ = 477340892. Its totient is φ = 477340890.

The previous prime is 477340889. The next prime is 477340967. The reversal of 477340891 is 198043774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477340891 - 2¹ = 477340889 is a prime.

Together with 477340889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (477340861) 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, 238670445 + 238670446.

It is an arithmetic number, because the mean of its divisors is an integer number (238670446).

Almost surely, 2^477340891 is an apocalyptic number.

477340891 is a deficient number, since it is larger than the sum of its proper divisors (1).

477340891 is an equidigital number, since it uses as much as digits as its factorization.

477340891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 477340891 is about 21848.1324373503. The cubic root of 477340891 is about 781.5250084542.

The spelling of 477340891 in words is "four hundred seventy-seven million, three hundred forty thousand, eight hundred ninety-one".