477726495820 has 96 divisors (see below), whose sum is σ = 1207712862720. Its totient is φ = 155065259520.

The previous prime is 477726495793. The next prime is 477726495823. The reversal of 477726495820 is 28594627774.

It is not an unprimeable number, because it can be changed into a prime (477726495823) by changing a digit.

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, 3878827 + ... + 4000093.

It is an arithmetic number, because the mean of its divisors is an integer number (12580342320).

Almost surely, 2^477726495820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477726495820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603856431360).

477726495820 is an abundant number, since it is smaller than the sum of its proper divisors (729986366900).

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

477726495820 is a wasteful number, since it uses less digits than its factorization.

477726495820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122783 (or 122781 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 477726495820 in words is "four hundred seventy-seven billion, seven hundred twenty-six million, four hundred ninety-five thousand, eight hundred twenty".