477211660 has 12 divisors (see below), whose sum is σ = 1002144528. Its totient is φ = 190884656.

The previous prime is 477211639. The next prime is 477211697. The reversal of 477211660 is 66112774.

It is a happy number.

It is an unprimeable number.

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, 11930272 + ... + 11930311.

It is an arithmetic number, because the mean of its divisors is an integer number (83512044).

Almost surely, 2^477211660 is an apocalyptic number.

It is an amenable number.

477211660 is an abundant number, since it is smaller than the sum of its proper divisors (524932868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477211660 is a wasteful number, since it uses less digits than its factorization.

477211660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23860592 (or 23860590 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 477211660 is about 21845.1747532493. The cubic root of 477211660 is about 781.4544743935.

The spelling of 477211660 in words is "four hundred seventy-seven million, two hundred eleven thousand, six hundred sixty".