86689612800 has 2112 divisors, whose sum is σ = 409373798400. Its totient is φ = 17517772800.

The previous prime is 86689612783. The next prime is 86689612843. The reversal of 86689612800 is 821698668.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2114380780 + ... + 2114380820.

Almost surely, 2^86689612800 is an apocalyptic number.

86689612800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86689612800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204686899200).

86689612800 is an abundant number, since it is smaller than the sum of its proper divisors (322684185600).

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

86689612800 is a wasteful number, since it uses less digits than its factorization.

86689612800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 86689612800 in words is "eighty-six billion, six hundred eighty-nine million, six hundred twelve thousand, eight hundred".