2172777041376 has 72 divisors (see below), whose sum is σ = 6248259894240. Its totient is φ = 716121263616.

The previous prime is 2172777041341. The next prime is 2172777041419. The reversal of 2172777041376 is 6731407772712.

2172777041376 is a `hidden beast` number, since 21 + 7 + 2 + 77 + 70 + 413 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42358440 + ... + 42409703.

It is an arithmetic number, because the mean of its divisors is an integer number (86781387420).

Almost surely, 2^{2172777041376} is an apocalyptic number.

It is an amenable number.

2172777041376 is an abundant number, since it is smaller than the sum of its proper divisors (4075482852864).

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

2172777041376 is a wasteful number, since it uses less digits than its factorization.

2172777041376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84768248 (or 84768237 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 54.

The spelling of 2172777041376 in words is "two trillion, one hundred seventy-two billion, seven hundred seventy-seven million, forty-one thousand, three hundred seventy-six".