89686069992 has 160 divisors (see below), whose sum is σ = 274561816320. Its totient is φ = 27229063680.

The previous prime is 89686069937. The next prime is 89686070003. The reversal of 89686069992 is 29996068698.

89686069992 is a `hidden beast` number, since 8 + 9 + 6 + 8 + 606 + 9 + 9 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 89686069992.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 210183 + ... + 472809.

It is an arithmetic number, because the mean of its divisors is an integer number (1716011352).

Almost surely, 2^89686069992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89686069992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137280908160).

89686069992 is an abundant number, since it is smaller than the sum of its proper divisors (184875746328).

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

89686069992 is a wasteful number, since it uses less digits than its factorization.

89686069992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262693 (or 262680 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 72.

The spelling of 89686069992 in words is "eighty-nine billion, six hundred eighty-six million, sixty-nine thousand, nine hundred ninety-two".