217680007002 has 32 divisors (see below), whose sum is σ = 450397990080. Its totient is φ = 70053957120.

The previous prime is 217680006997. The next prime is 217680007003. The reversal of 217680007002 is 200700086712.

It is not an unprimeable number, because it can be changed into a prime (217680007003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5625802 + ... + 5664362.

It is an arithmetic number, because the mean of its divisors is an integer number (14074937190).

Almost surely, 2^217680007002 is an apocalyptic number.

217680007002 is an abundant number, since it is smaller than the sum of its proper divisors (232717983078).

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

217680007002 is a wasteful number, since it uses less digits than its factorization.

217680007002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71038.

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 217680007002 in words is "two hundred seventeen billion, six hundred eighty million, seven thousand, two".