89878060217 has 8 divisors (see below), whose sum is σ = 98087379840. Its totient is φ = 81675171760.

The previous prime is 89878060193. The next prime is 89878060229. The reversal of 89878060217 is 71206087898.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89878060217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89878060417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578542 + ... + 1634487.

It is an arithmetic number, because the mean of its divisors is an integer number (12260922480).

Almost surely, 2^89878060217 is an apocalyptic number.

It is an amenable number.

89878060217 is a deficient number, since it is larger than the sum of its proper divisors (8209319623).

89878060217 is a wasteful number, since it uses less digits than its factorization.

89878060217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215583.

The product of its (nonzero) digits is 2709504, while the sum is 56.

The spelling of 89878060217 in words is "eighty-nine billion, eight hundred seventy-eight million, sixty thousand, two hundred seventeen".