3912323567880 has 640 divisors, whose sum is σ = 14890202046720. Its totient is φ = 817362524160.

The previous prime is 3912323567753. The next prime is 3912323567881. The reversal of 3912323567880 is 887653232193.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3912323567880.

It is not an unprimeable number, because it can be changed into a prime (3912323567881) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 385787610 + ... + 385797750.

It is an arithmetic number, because the mean of its divisors is an integer number (23265940698).

Almost surely, 2^{3912323567880} is an apocalyptic number.

3912323567880 is a gapful number since it is divisible by the number (30) 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 3912323567880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7445101023360).

3912323567880 is an abundant number, since it is smaller than the sum of its proper divisors (10977878478840).

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

3912323567880 is a wasteful number, since it uses less digits than its factorization.

3912323567880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10299 (or 10274 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 3912323567880 in words is "three trillion, nine hundred twelve billion, three hundred twenty-three million, five hundred sixty-seven thousand, eight hundred eighty".