87217452394206 has 16 divisors (see below), whose sum is σ = 183615689251200. Its totient is φ = 27542353387608.

The previous prime is 87217452394199. The next prime is 87217452394217. The reversal of 87217452394206 is 60249325471278.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87217452394206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382532685826 + ... + 382532686053.

It is an arithmetic number, because the mean of its divisors is an integer number (11475980578200).

It is a 1-persistent number, because it is pandigital, but 2⋅87217452394206 = 174434904788412 is not.

Almost surely, 2^{87217452394206} is an apocalyptic number.

87217452394206 is an abundant number, since it is smaller than the sum of its proper divisors (96398236856994).

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

87217452394206 is a wasteful number, since it uses less digits than its factorization.

87217452394206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765065371903.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 87217452394206 in words is "eighty-seven trillion, two hundred seventeen billion, four hundred fifty-two million, three hundred ninety-four thousand, two hundred six".