477661211 has 4 divisors (see below), whose sum is σ = 477930000. Its totient is φ = 477392424.

The previous prime is 477661153. The next prime is 477661229. The reversal of 477661211 is 112166774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112166774 = 2 ⋅56083387.

It is a cyclic number.

It is not a de Polignac number, because 477661211 - 2¹⁸ = 477399067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477661511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131711 + ... + 135288.

It is an arithmetic number, because the mean of its divisors is an integer number (119482500).

Almost surely, 2^477661211 is an apocalyptic number.

477661211 is a deficient number, since it is larger than the sum of its proper divisors (268789).

477661211 is a wasteful number, since it uses less digits than its factorization.

477661211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268788.

The product of its digits is 14112, while the sum is 35.

The square root of 477661211 is about 21855.4618116388. The cubic root of 477661211 is about 781.6997837002.

The spelling of 477661211 in words is "four hundred seventy-seven million, six hundred sixty-one thousand, two hundred eleven".