477995288472 has 144 divisors (see below), whose sum is σ = 1421018665560. Its totient is φ = 145060471296.

The previous prime is 477995288471. The next prime is 477995288473. The reversal of 477995288472 is 274882599774.

477995288472 is a `hidden beast` number, since 4 + 7 + 7 + 99 + 528 + 8 + 4 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (477995288471) and next prime (477995288473).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 477995288472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477995288471) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 619203 + ... + 1157325.

Almost surely, 2^477995288472 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 477995288472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710509332780).

477995288472 is an abundant number, since it is smaller than the sum of its proper divisors (943023377088).

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

477995288472 is a wasteful number, since it uses less digits than its factorization.

477995288472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538234 (or 538214 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 72.

The spelling of 477995288472 in words is "four hundred seventy-seven billion, nine hundred ninety-five million, two hundred eighty-eight thousand, four hundred seventy-two".