89686958085 has 24 divisors (see below), whose sum is σ = 163639363680. Its totient is φ = 45315515232.

The previous prime is 89686958077. The next prime is 89686958093. The reversal of 89686958085 is 58085968698.

It is an interprime number because it is at equal distance from previous prime (89686958077) and next prime (89686958093).

It is not a de Polignac number, because 89686958085 - 2³ = 89686958077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52447659 + ... + 52449368.

It is an arithmetic number, because the mean of its divisors is an integer number (6818306820).

Almost surely, 2^89686958085 is an apocalyptic number.

It is an amenable number.

89686958085 is a deficient number, since it is larger than the sum of its proper divisors (73952405595).

89686958085 is a wasteful number, since it uses less digits than its factorization.

89686958085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104897057 (or 104897054 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 72.

The spelling of 89686958085 in words is "eighty-nine billion, six hundred eighty-six million, nine hundred fifty-eight thousand, eighty-five".