2173724877076 has 12 divisors (see below), whose sum is σ = 3935191588020. Its totient is φ = 1049384423360.

The previous prime is 2173724877053. The next prime is 2173724877083. The reversal of 2173724877076 is 6707784273712.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1316756250000 + 856968627076 = 1147500^2 + 925726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9369503665 + ... + 9369503896.

It is an arithmetic number, because the mean of its divisors is an integer number (327932632335).

Almost surely, 2^{2173724877076} is an apocalyptic number.

It is an amenable number.

2173724877076 is a deficient number, since it is larger than the sum of its proper divisors (1761466710944).

2173724877076 is a wasteful number, since it uses less digits than its factorization.

2173724877076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739007594 (or 18739007592 counting only the distinct ones).

The product of its (nonzero) digits is 38723328, while the sum is 61.

The spelling of 2173724877076 in words is "two trillion, one hundred seventy-three billion, seven hundred twenty-four million, eight hundred seventy-seven thousand, seventy-six".