87108233217 has 16 divisors (see below), whose sum is σ = 120553305600. Its totient is φ = 55888358400.

The previous prime is 87108233197. The next prime is 87108233221. The reversal of 87108233217 is 71233280178.

It is not a de Polignac number, because 87108233217 - 2⁷ = 87108233089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87108233287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570592 + ... + 2604257.

It is an arithmetic number, because the mean of its divisors is an integer number (7534581600).

Almost surely, 2^87108233217 is an apocalyptic number.

It is an amenable number.

87108233217 is a deficient number, since it is larger than the sum of its proper divisors (33445072383).

87108233217 is a wasteful number, since it uses less digits than its factorization.

87108233217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175064.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 87108233217 in words is "eighty-seven billion, one hundred eight million, two hundred thirty-three thousand, two hundred seventeen".