477816812 has 24 divisors (see below), whose sum is σ = 951858432. Its totient is φ = 207746000.

The previous prime is 477816811. The next prime is 477816821. The reversal of 477816812 is 218618774.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (477816811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235064 + ... + 237087.

It is an arithmetic number, because the mean of its divisors is an integer number (39660768).

Almost surely, 2^477816812 is an apocalyptic number.

It is an amenable number.

477816812 is a deficient number, since it is larger than the sum of its proper divisors (474041620).

477816812 is a wasteful number, since it uses less digits than its factorization.

477816812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472189 (or 472187 counting only the distinct ones).

The product of its digits is 150528, while the sum is 44.

The square root of 477816812 is about 21859.0212955658. The cubic root of 477816812 is about 781.7846556137.

The spelling of 477816812 in words is "four hundred seventy-seven million, eight hundred sixteen thousand, eight hundred twelve".