477489362778 has 64 divisors (see below), whose sum is σ = 1064412856320. Its totient is φ = 158664680496.

The previous prime is 477489362761. The next prime is 477489362837. The reversal of 477489362778 is 877263984774.

477489362778 is a `hidden beast` number, since 4 + 77 + 489 + 3 + 6 + 2 + 7 + 78 = 666.

It is a super-3 number, since 3×477489362778³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92408751 + ... + 92413917.

It is an arithmetic number, because the mean of its divisors is an integer number (16631450880).

Almost surely, 2^477489362778 is an apocalyptic number.

477489362778 is an abundant number, since it is smaller than the sum of its proper divisors (586923493542).

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

477489362778 is a wasteful number, since it uses less digits than its factorization.

477489362778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208 (or 10202 counting only the distinct ones).

The product of its digits is 796594176, while the sum is 72.

The spelling of 477489362778 in words is "four hundred seventy-seven billion, four hundred eighty-nine million, three hundred sixty-two thousand, seven hundred seventy-eight".