323277427872 has 216 divisors, whose sum is σ = 1069986124116. Its totient is φ = 92315510784.

The previous prime is 323277427867. The next prime is 323277427903. The reversal of 323277427872 is 278724772323.

It is a happy number.

323277427872 is a `hidden beast` number, since 3 + 232 + 7 + 74 + 278 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 306521678736 + 16755749136 = 553644^2 + 129444^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32410278 + ... + 32420250.

Almost surely, 2^323277427872 is an apocalyptic number.

323277427872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323277427872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534993062058).

323277427872 is an abundant number, since it is smaller than the sum of its proper divisors (746708696244).

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

323277427872 is a wasteful number, since it uses less digits than its factorization.

323277427872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12300 (or 12282 counting only the distinct ones).

The product of its digits is 11063808, while the sum is 54.

The spelling of 323277427872 in words is "three hundred twenty-three billion, two hundred seventy-seven million, four hundred twenty-seven thousand, eight hundred seventy-two".