86854679912 has 288 divisors, whose sum is σ = 227211667200. Its totient is φ = 30823752960.

The previous prime is 86854679909. The next prime is 86854679963. The reversal of 86854679912 is 21997645868.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48711773 + ... + 48713555.

It is an arithmetic number, because the mean of its divisors is an integer number (788929400).

Almost surely, 2^86854679912 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 86854679912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113605833600).

86854679912 is an abundant number, since it is smaller than the sum of its proper divisors (140356987288).

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

86854679912 is a wasteful number, since it uses less digits than its factorization.

86854679912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1895 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 65.

The spelling of 86854679912 in words is "eighty-six billion, eight hundred fifty-four million, six hundred seventy-nine thousand, nine hundred twelve".