477319823946 has 128 divisors (see below), whose sum is σ = 1283207270400. Its totient is φ = 128612111040.

The previous prime is 477319823933. The next prime is 477319823957. The reversal of 477319823946 is 649328913774.

477319823946 is a `hidden beast` number, since 47 + 7 + 319 + 8 + 239 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34950 + ... + 977681.

It is an arithmetic number, because the mean of its divisors is an integer number (10025056800).

Almost surely, 2^477319823946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477319823946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641603635200).

477319823946 is an abundant number, since it is smaller than the sum of its proper divisors (805887446454).

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

477319823946 is a wasteful number, since it uses less digits than its factorization.

477319823946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012721 (or 1012715 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 477319823946 in words is "four hundred seventy-seven billion, three hundred nineteen million, eight hundred twenty-three thousand, nine hundred forty-six".