477469147 has 2 divisors, whose sum is σ = 477469148. Its totient is φ = 477469146.

The previous prime is 477469133. The next prime is 477469163. The reversal of 477469147 is 741964774.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-477469147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477469147.

It is not a weakly prime, because it can be changed into another prime (477469547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238734573 + 238734574.

It is an arithmetic number, because the mean of its divisors is an integer number (238734574).

Almost surely, 2^477469147 is an apocalyptic number.

477469147 is a deficient number, since it is larger than the sum of its proper divisors (1).

477469147 is an equidigital number, since it uses as much as digits as its factorization.

477469147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 49.

The square root of 477469147 is about 21851.0674109985. The cubic root of 477469147 is about 781.5949977758.

The spelling of 477469147 in words is "four hundred seventy-seven million, four hundred sixty-nine thousand, one hundred forty-seven".