216077844888 has 512 divisors, whose sum is σ = 684972288000. Its totient is φ = 62705664000.

The previous prime is 216077844883. The next prime is 216077844893. The reversal of 216077844888 is 888448770612.

216077844888 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 77 + 84 + 488 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (216077844883) and next prime (216077844893).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216077844883) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 896588448 + ... + 896588688.

It is an arithmetic number, because the mean of its divisors is an integer number (1337836500).

Almost surely, 2^216077844888 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 216077844888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342486144000).

216077844888 is an abundant number, since it is smaller than the sum of its proper divisors (468894443112).

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

216077844888 is a wasteful number, since it uses less digits than its factorization.

216077844888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 38535168, while the sum is 63.

The spelling of 216077844888 in words is "two hundred sixteen billion, seventy-seven million, eight hundred forty-four thousand, eight hundred eighty-eight".