215230008717 has 24 divisors (see below), whose sum is σ = 321002922240. Its totient is φ = 138820645440.

The previous prime is 215230008713. The next prime is 215230008737. The reversal of 215230008717 is 717800032512.

215230008717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215230008717 - 2² = 215230008713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215230008713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 952273 + ... + 1156409.

It is an arithmetic number, because the mean of its divisors is an integer number (13375121760).

Almost surely, 2^215230008717 is an apocalyptic number.

It is an amenable number.

215230008717 is a deficient number, since it is larger than the sum of its proper divisors (105772913523).

215230008717 is a wasteful number, since it uses less digits than its factorization.

215230008717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207953 (or 207950 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 215230008717 in words is "two hundred fifteen billion, two hundred thirty million, eight thousand, seven hundred seventeen".