477216653 has 2 divisors, whose sum is σ = 477216654. Its totient is φ = 477216652.

The previous prime is 477216587. The next prime is 477216659. The reversal of 477216653 is 356612774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290429764 + 186786889 = 17042^2 + 13667^2 .

It is a cyclic number.

It is not a de Polignac number, because 477216653 - 2¹⁶ = 477151117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477216653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477216659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238608326 + 238608327.

It is an arithmetic number, because the mean of its divisors is an integer number (238608327).

Almost surely, 2^477216653 is an apocalyptic number.

It is an amenable number.

477216653 is a deficient number, since it is larger than the sum of its proper divisors (1).

477216653 is an equidigital number, since it uses as much as digits as its factorization.

477216653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 477216653 is about 21845.2890344806. The cubic root of 477216653 is about 781.4571998009.

The spelling of 477216653 in words is "four hundred seventy-seven million, two hundred sixteen thousand, six hundred fifty-three".